Page of This chapter has 64 questions Scroll down to see and select individual questions or narrow the list using the checkboxes below questions at random and keep in order Multiple Choice Questions - (28) Difficulty: Hard - (6) True/False Questions - (11) Difficulty: Medium - (40) Fill In The Blank Questions - (20) Learning Objective: 01-01 Explain the function of research samples - (14) Essay Questions - (5) Learning Objective: 01-02 Define the term random sample - (8) Odd Numbered - (32) Learning Objective: 01-03 Explain how a random sample can be generated - (4) Even Numbered - (32) Learning Objective: 01-04 Describe how a process is sampled - (12) Accessibility: Keyboard Navigation - (39) Learning Objective: 01-05 Identify the first four levels of measurement - (20) Difficulty: Easy - (18) Learning Objective: 01-06 List some of the potential problems associated with surveys - (6) A population is a set of units (usually people, objects, or events) → True False Accessibility: Keyboard Navigation Difficulty: Easy True / False Question Learning Objective: 01-01 Explain the function of research samples If we examine half of the population measurements, we are conducting a census of the population True → False Accessibility: Keyboard Navigation Difficulty: Medium True / False Question Learning Objective: 01-01 Explain the function of research samples A random sample is selected so that, on each selection from the population, every unit remaining in the population on that selection has the same chance of being chosen → True False Accessibility: Keyboard Navigation Difficulty: Easy True / False Question Learning Objective: 01-02 Define the term random sample A process is in statistical control if it does not exhibit any unusual process variations → True False True / False Question An example of a quantitative variable is the make of a car True → False Accessibility: Keyboard Navigation Difficulty: Easy Learning Objective: 01-04 Describe how a process is sampled Accessibility: Keyboard Navigation Difficulty: Easy True / False Question Learning Objective: 01-05 Identify the first four levels of measurement An example of a qualitative variable is the fuel efficiency of a car, measured in L/100km True → False Accessibility: Keyboard Navigation Difficulty: Easy True / False Question Learning Objective: 01-05 Identify the first four levels of measurement Statistical inference is the science of using a sample of measurements to make generalizations about the important aspects of a population of measurements → True False Accessibility: Keyboard Navigation Difficulty: Medium True / False Question Learning Objective: 01-01 Explain the function of research samples If we sample without replacement, we not place the unit chosen on a particular selection back into the population → True False Accessibility: Keyboard Navigation Difficulty: Medium Learning Objective: 01-02 Define the term random sample True / False Question By taking a systematic sample, in which we select every 100th shopper arriving at a specific store, we are approximating a random sample of shoppers → True False True / False Question Accessibility: Keyboard Navigation Difficulty: Medium Learning Objective: 01-03 Explain how a random sample can be generated Full file at https://TestbankDirect.eu/ Page of 10 Nonresponse reduces the sample size and may have a negative impact on the generalization of results if the individuals who not respond are themselves nonrandom → True False Accessibility: Keyboard Navigation Difficulty: Hard True / False Question Learning Objective: 01-06 List some of the potential problems associated with surveys 11 Undercoverage is when some units of the population are mistakenly included in the sample True → False Accessibility: Keyboard Navigation Difficulty: Medium True / False Question Learning Objective: 01-06 List some of the potential problems associated with surveys 12 Suppose that the six students listed belearning Objective: w have applied for a bursary Justin Gordon Ahmed Melanie Olga Ian Only three students can receive the bursary Because they have all met the criteria for the bursary, the three students who will receive the bursary will be selected at random Consider the follearning Objective: wing list of random digits from a random number table: 27102 56027 55892 33063 41842 81868 71035 09001 43367 49497 54580 81507 Starting with the leftmost digit, use this list of random digits to choose a simple random sample of three students from the six students listed above The sample you obtain is Olga, Ian, and Ahmed Melanie, Ahmed, and Ian → Justin, Gordon, and Olga Justin, Gordon, and Gordon again any set of names, but we must exclude Gordon Accessibility: Keyboard Navigation Difficulty: Easy Multiple Choice Question Learning Objective: 01-03 Explain how a random sample can be generated 13 Ratio variables have the follearning Objective: wing unique characteristic: Meaningful order An arbitrarily defined zero value Categorical in nature Predictable with 100% accuracy → Equal distance between points Accessibility: Keyboard Navigation Difficulty: Easy Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 14 When we are choosing a random sample and we not place chosen units back into the population, we are sampling with replacement sampling by convenience using a systematic sample using a voluntary response sample → sampling without replacement Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-02 Define the term random sample 15 Which one of the follearning Objective: wing is a quantitative variable? The make of a TV A person's gender → A person's height Whether a person is an university graduate or not Whether a person has a credit card Accessibility: Keyboard Navigation Difficulty: Easy Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 16 Which one of the follearning Objective: wing is a categorical variable? Air temperature Bank account balance Daily sales in a store → Whether a person has a traffic violation Value of company stock Multiple Choice Question Accessibility: Keyboard Navigation Difficulty: Medium Learning Objective: 01-05 Identify the first four levels of measurement Full file at https://TestbankDirect.eu/ Page of 17 Measurements from a population are also known as statistics → observations variables processes functions Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-01 Explain the function of research samples 18 If the runs plearning Objective: t for a process shows increasing variation around a constant level, then the process is reliable capable profitable predictable → out of control Multiple Choice Question 19 The two levels of measurement for quantitative variables are ordinal and ratio interval and ordinal nominative and ordinal → interval and ratio nominative and interval Accessibility: Keyboard Navigation Difficulty: Easy Learning Objective: 01-04 Describe how a process is sampled Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 20 Temperature, (in degrees Celsius) is an example of a(n) variable nominative ordinal → interval ratio random Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 21 Jersey numbers of soccer players are an example of a(n) _ variable → nominative ordinal interval ratio random Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 22 Weights of items obtained using a well-adjusted scale represents a(n) _ level of measurement nominative ordinal interval → ratio balanced Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 23 An identification of police officers by rank would represent a(n) level of measurement nominative → ordinal interval ratio professional Multiple Choice Question Accessibility: Keyboard Navigation Difficulty: Medium Learning Objective: 01-05 Identify the first four levels of measurement Full file at https://TestbankDirect.eu/ Page of 24 is a necessary component of a runs plearning Objective: t → Observation over time A qualitative variable Random sampling of the data Voluntary response data A Likert scale survey Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-04 Describe how a process is sampled 25 is the science of using a sample of measurements to make generalizations about the important aspects of a population Statistical process control Descriptive statistics Random sample → Statistical inference Deductive reasoning Accessibility: Keyboard Navigation Difficulty: Easy Multiple Choice Question Learning Objective: 01-01 Explain the function of research samples 26 Degree program entrance exam scores, such as MCAT scores, are an example of a(n) variable ordinal ratio nominative → interval undefined Accessibility: Keyboard Navigation Difficulty: Hard Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 27 The number of kilearning Objective: metres a truck is driven before it is overhauled is an example of a(n) _ variable nominative ordinal interval → ratio maintenance Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 28 Which one of the following sampling methods would generally lead to the least reliable statistical inferences about the population from which the sample has been selected? A random sample selected without replacement A random sample selected with replacement → A voluntary response sample A systematic sample A stratified random sample Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-02 Define the term random sample 29 A(n) _ variable is a qualitative variable such that there is no meaningful ordering or ranking of the categories ratio ordinal → nominative interval random Accessibility: Keyboard Navigation Difficulty: Easy Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 30 A person's telephone area code is an example of a(n) _ variable → nominative ordinal interval ratio independent Full file at https://TestbankDirect.eu/ Page of Multiple Choice Question Accessibility: Keyboard Navigation Difficulty: Medium Learning Objective: 01-05 Identify the first four levels of measurement 31 Any characteristic of a population unit is a(n): measurement sample observation → variable trait Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-01 Explain the function of research samples 32 A list of all of the units in a population is called a _ census → frame random sample variable systematic sample Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-01 Explain the function of research samples 33 The two levels of measurement for qualitative variables are ordinal and ratio interval and ordinal → nominative and ordinal interval and ratio nominative and interval Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 34 Each customer in a market research study is asked to identify their favourite beverage The level of measurement for this study would be at the _ level → nominal ordinal interval ratio quantitative Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-05 Identify the first four levels of measurement 35 In sampling from the population, a _ is a unique group representing a segment of the population of interest and which has been predetermined by the researcher focus group system parliament response → stratum Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-02 Define the term random sample 36 When a researcher uses a(n) _ sample, they decrease bias in the sample voluntary response small expensive → random convenience Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-02 Define the term random sample 37 A researcher believes a person's gender will influence their answer to a particular question In order to take this into account, the researcher selects a random sample of 100 men and another random sample of 100 women This is an example of a sample → stratified random simple random Full file at https://TestbankDirect.eu/ Page of biased multistage cluster systematic Accessibility: Keyboard Navigation Difficulty: Hard Multiple Choice Question Learning Objective: 01-04 Describe how a process is sampled 38 A _ plot is a graph of individual process measurements versus time line → runs scatter pie-chart stem Accessibility: Keyboard Navigation Difficulty: Easy Multiple Choice Question Learning Objective: 01-04 Describe how a process is sampled 39 A machine produces pencils At the start of the day, the potential number of pencils produced is _ At the end of the day, the actual number of pencils produced is _ finite, infinite actual, probable → infinite, finite staged, actual controlled, measured Accessibility: Keyboard Navigation Difficulty: Medium Multiple Choice Question Learning Objective: 01-04 Describe how a process is sampled 40 If a process does not exhibit any unusual process variations, then the process is said to be in _ statistical control Fill-in-the-Blank Question 41 Any characteristic of a population unit is called a _ Difficulty: Medium Learning Objective: 01-04 Describe how a process is sampled variable Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-01 Explain the function of research samples 42 If a process is in statistical control, then the runs plearning Objective: t for the process will exhibit a(n) _ amount of variation around a constant, or horizontal, level constant Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-04 Describe how a process is sampled 43 A _ is an examination of all the population measurements census Difficulty: Easy Fill-in-the-Blank Question Learning Objective: 01-01 Explain the function of research samples 44 When a population unit selected as part of the sample cannot be contacted or refuses to participate, then we say that _ has occurred nonresponse Difficulty: Easy Fill-in-the-Blank Question Learning Objective: 01-06 List some of the potential problems associated with surveys 45 A _ is a list of all the units in a population frame Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-03 Explain how a random sample can be generated 46 The process of assigning a value of a variable to each unit in a population or sample is called _ measurement Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-01 Explain the function of research samples 47 A is a graph of individual process measurements versus time runs plearning Objective: t Difficulty: Easy Fill-in-the-Blank Question Learning Objective: 01-04 Describe how a process is sampled 48 Statistical _ refers to using a sample of measurements to make generalizations about the important aspects of a population Full file at https://TestbankDirect.eu/ Page of inference Fill-in-the-Blank Question 49 A _ is a subset of the units in a population Difficulty: Easy Learning Objective: 01-01 Explain the function of research samples sample Difficulty: Easy Fill-in-the-Blank Question Learning Objective: 01-01 Explain the function of research samples 50 A _ variable can have values that are numbers on the real number line quantitative Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-05 Identify the first four levels of measurement 51 A sequence of operations that takes inputs and turns them into outputs is a _ process Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-04 Describe how a process is sampled 52 A _ variable records into which of several categories a population unit falls qualitative Fill-in-the-Blank Question 53 A set of units we wish to study is called a _ Difficulty: Medium Learning Objective: 01-05 Identify the first four levels of measurement population Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-01 Explain the function of research samples 54 _ is the science of describing the important aspects of a set of measurements Descriptive statistics Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-01 Explain the function of research samples 55 In situations when it is not possible to number all of the units in a population, we often use a _ sample to approximate a random sample systematic Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-02 Define the term random sample 56 A runs plearning Objective: t with an increasing trend would indicate that the corresponding process is _ out of control Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-04 Describe how a process is sampled 57 If a unit is placed back into the population after being selected for a sample, we are sampling _ replacement with Difficulty: Medium Fill-in-the-Blank Question Learning Objective: 01-02 Define the term random sample 58 A _ table is used to help select items for a random sample random number Difficulty: Easy Fill-in-the-Blank Question Learning Objective: 01-03 Explain how a random sample can be generated 59 A process that is in statistical control does not necessarily imply that the process is of meeting the customer requirements capable Difficulty: Hard Fill-in-the-Blank Question Learning Objective: 01-04 Describe how a process is sampled 60 A consumer's yes/no reply to a survey question is what type of variable? Explanation: qualitative Difficulty: Medium Essay Question Learning Objective: 01-05 Identify the first four levels of measurement 61 The change in daily price of a stock is what type of variable? Full file at https://TestbankDirect.eu/ Page of Explanation: quantitative Essay Question 62 List two types of random sampling methods Difficulty: Medium Learning Objective: 01-05 Identify the first four levels of measurement Explanation: Any two of the follearning Objective: wing: simple random sampling, stratified random sampling, multistage cluster sampling, and systematic sampling Difficulty: Medium Essay Question Learning Objective: 01-06 List some of the potential problems associated with surveys 63 In a voluntary response sample, what types of opinions are usually expressed? Explanation: Strong/negative Difficulty: Hard Essay Question Learning Objective: 01-06 List some of the potential problems associated with surveys Test Bank for Business Statistics in Practice 3rd Canadian Edition by Bowerman 64 Describe one weakness and one advantage to mailed surveys Full file at https://TestbankDirect.eu/ Explanation: Advantages: inexpensive, unobtrusive Disadvantages: Learning Objective: w response rate, uncertain person meant to complete survey was actually the one who completed it, uncertain person fully understood questions Essay Question Difficulty: Hard Learning Objective: 01-06 List some of the potential problems associated with surveys Full file at https://TestbankDirect.eu/ ... surveys Test Bank for Business Statistics in Practice 3rd Canadian Edition by Bowerman 64 Describe one weakness and one advantage to mailed surveys Full file at https://TestbankDirect.eu/ Explanation:... Learning Objective: 01-01 Explain the function of research samples 33 The two levels of measurement for qualitative variables are ordinal and ratio interval and ordinal → nominative and ordinal interval... 19 The two levels of measurement for quantitative variables are ordinal and ratio interval and ordinal nominative and ordinal → interval and ratio nominative and interval Accessibility: Keyboard