Test bank elementary statistics a step by step approach 10th edition allan g bluman

Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ Exam Name _ MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 1) 1) Which of the following does not need to be done when constructing a frequency distribution? A) select the number of classes desired B) find the range C) use classes that are mutually exclusive D) make the class width an even number Answer: D 2) The lower class limit represents the smallest data value that can be included in the class A) False B) True Answer: B SHORT ANSWER Write the word or phrase that best completes each statement or answers the question 3) When data are collected in original form, they are called Answer: 4) 5) of a specific class is the number of data values contained in it 4) frequency If a frequency distribution had class boundaries of 132.5-147.5, what would be the class width? Answer: 3) raw data The Answer: 15 Full file at https://TestbankHelp.eu/ 5) 2) Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 6) The following frequency distribution presents the weights in pounds (lb) of a sample of 6) visitors to a health clinic Weight (lb) 90-99 100-109 110-119 120-129 130-139 140-149 150-159 160-169 Frequency 4 What is the class width? A) 11 B) 80 C) 10 D) Answer: C 7) 7) For the class 5-19, the upper class limit is A) 4.5 B) C) 19.5 D) 19 Answer: D 8) 8) What are the boundaries of the class 11-18? A) 11 and 18 B) 10.5 and 18.5 C) 7.5 and 21.5 D) Answer: B SHORT ANSWER Write the word or phrase that best completes each statement or answers the question 9) Find the class boundaries, midpoint, and width of the class 28-34? Answer: 10) boundaries: 27.5-34.5; midpoint: 31; width: Find the class boundaries, midpoint, and width of the class 15.2-18.1? Answer: 9) boundaries: 15.15-18.15; midpoint: 16.65; width: Full file at https://TestbankHelp.eu/ 10) Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 11) State the reason why the following frequency distribution is incorrectly constructed Class Frequency 33-40 41-48 49-55 56-63 64-71 A) class limits overlap C) class width is not uniform 11) B) there is no percent column D) a class has been omitted Answer: C 12) State the reason why the following frequency distribution is incorrectly constructed Class Frequency 45-50 50-55 55-60 60-65 65-70 A) class limits overlap C) there is no percent column 12) B) a class has been omitted D) class width is not uniform Answer: A 13) State the reason why the following frequency distribution is incorrectly constructed Class Frequency 124-129 130-135 142-147 11 148-153 14 A) a class has been omitted C) there is no percent column 13) B) class width is not uniform D) class limits overlap Answer: A 14) In an ungrouped frequency distribution of the average age of high school graduates, what would be the boundaries for the class of graduates who were reported to be 18 years old? A) 17.5-18.5 years old B) 17.6-19.5 years old C) 17.6-18.5 years old D) 17-19 years old 14) Answer: A 15) 15) What is the midpoint of the class 6-10? A) B) C) Answer: B Full file at https://TestbankHelp.eu/ D) 8.5 Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ 16) 16) Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store What type of distribution would be best? A) cumulative B) ungrouped C) categorical D) grouped Answer: C 17) What is the lower class limit of the class 13–17? A) 15 B) 17 C) 12.5 17) D) 13 Answer: D 18) 18) What is the midpoint of the class 17–20? A) 1.5 B) 18 C) 18.5 D) What is the upper class boundary of the class 23-35 ? A) B) 7.5 C) 35.5 D) 35 Answer: C 19) 19) Answer: C 20) 20) If the limits for a class were 20-38, the boundaries would be 19.5-38.5 A) False B) True Answer: B SHORT ANSWER Write the word or phrase that best completes each statement or answers the question 21) For grouped frequency distributions, the is obtained by adding the 21) lower and upper limits and dividing by Answer: class midpoint MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 22) What is the lower class limit in the class 8-12? A) 7.5 B) 8.5 C) 10 22) D) Answer: D 23) Which of the following pairs of class limits would be appropriate for grouping the numbers 11, 14, 9, and 16? A) 9-12 and 13-16 B) 9-11 and 14-16 C) 9-11 and 12-16 D) 8-12 and 12-16 23) Answer: A 24) Thirty students recorded the colors of their eyes, choosing from the colors brown, blue, green, hazel, and black This data can be appropriately summarized in a(n) A) B) open-ended distribution C) categorical frequency distribution upper boundary D) grouped frequency distribution Answer: C Full file at https://TestbankHelp.eu/ 24) Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ 25) What are the boundaries of the class 1.87-3.43? A) 1.879-3.439 B) 1.865-3.435 C) 1.82-3.48 25) D) 1.87-3.43 Answer: B 26) 26) For the class 16.3-23.8, the width is 8.5 A) True B) False Answer: B SHORT ANSWER Write the word or phrase that best completes each statement or answers the question 27) When the range is large, and classes that are several units in width are needed, a frequency distribution is used Answer: 27) grouped MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 28) The cumulative frequency for a class is the sum of the frequencies of the classes less than and equal to the upper boundary of the specific class A) True B) False 28) Answer: A 29) A recent statistics exam yielded the following 25 scores Construct a grouped frequency distribution with the class limits shown below 63 55 81 77 77 86 89 82 87 79 77 63 44 74 45 51 68 80 91 87 Class Limits 41-50 51-60 61-70 71-80 81-90 91-100 67 96 90 59 97 Tally Frequency A) B) Class Limits 41-50 51-60 61-70 71-80 81-90 91-100 Frequency 2 Class Limits 41-50 51-60 61-70 71-80 81-90 91-100 Full file at https://TestbankHelp.eu/ Frequency 29) Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ C) D) Class Limits 41-50 51-60 61-70 71-80 81-90 91-100 Frequency Class Limits 41-50 51-60 61-70 71-80 81-90 91-100 Frequency 5 Answer: B 30) The following frequency distribution presents the frequency of passenger vehicles that pass 30) through a certain intersection from 8:00 AM to 9:00 AM on a particular day Vehicle Type Motorcycle Sedan SUV Truck Frequency 11 60 80 39 What is the relative frequency of the Motorcyle category? A) 0.138 B) 11% C) 0.058 Answer: C Full file at https://TestbankHelp.eu/ D) 11 Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ 31) The following frequency distribution presents the frequency of passenger vehicles that pass 31) through a certain intersection from 8:00 AM to 9:00 AM on a particular day Vehicle Type Motorcycle Sedan SUV Truck Frequency 87 88 31 Construct a relative frequency distribution for the data A) B) Vehicle Type Motorcycle Sedan SUV Truck Relative Frequency 0.037% 0.407% 0.411% 0.145% C) Vehicle Type Motorcycle Sedan SUV Truck Relative Frequency 0.091 0.989 0.352 Vehicle Type Motorcycle Sedan SUV Truck Relative Frequency 0.037 0.407 0.411 0.145 D) Vehicle Type Motorcycle Sedan SUV Truck Relative Frequency 0.08 0.87 0.88 0.31 Answer: D Full file at https://TestbankHelp.eu/ Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ 32) A survey was taken on how much trust people place in the information they read on the Internet 32) Construct a categorical frequency distribution for the data A trust in all that they read, M trust in most of what they read, H trust in about one-half of what they read, S trust in a small portion of what they read M H H M H A M H M M M M M H M M H M M M M H S S M M M H A) H M M M M H A M S M S M B) Class Frequency A M 22 H 12 S Class Frequency A M 24 H 10 S C) D) Class Freq A M 22 H 12 S 40 Percent 5% 55% 30% 10% 100% Class Freq A M 24 H 10 S 40 Answer: D Full file at https://TestbankHelp.eu/ Percent 5% 60% 25% 10% 100% Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ SHORT ANSWER Write the word or phrase that best completes each statement or answers the question 33) Construct a frequency polygon from the following frequency distribution Temperature 28.5-31.5 31.5-34.5 34.5-37.5 37.5-40.5 40.5-43.5 43.5-46.5 33) Frequency 10 Answer: MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 34) A recent statistics exam yielded the following 10 scores Construct a frequency polygon distribution using the class limits shown below 80, 99, 77, 67, 93, 71, 76, 86, 79, 71 Class Limits 61-70 71-80 81-90 91-100 Midpoints Tally Frequency A) Full file at https://TestbankHelp.eu/ 34) Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ B) C) D) Answer: C 10 Full file at https://TestbankHelp.eu/ Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ 35) Find the class with the least number of data values A) 55-65 B) C) 85-95 35) 65-75 D) 75-85 Answer: B 36) Find the class with the greatest number of data values A) 65-75 B) C) 75-85 Answer: C 11 Full file at https://TestbankHelp.eu/ 55-65 36) D) 85-95 Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ 37) One hundred students are shown an eight-digit number on a piece of cardboard for three 37) seconds and are asked to then recite the number from memory The process is repeated until the student accurately recites the entire number from memory The following histogram presents the number of trials it took each student to memorize the number How many students memorized the number in three trials or less? A) B) 14 C) 87 D) 13 Answer: D 38) 38) An ogive is also called a cumulative frequency graph A) False B) True Answer: B SHORT ANSWER Write the word or phrase that best completes each statement or answers the question 39) The three most commonly used graphs in research are the histogram, the , and the cumulative frequency graph (ogive) Answer: 39) frequency polygon MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 40) Which of the following could be a cumulative frequency graph? A) 12 Full file at https://TestbankHelp.eu/ 40) Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ B) C) D) Answer: A 41) 41) Which of the following could be an ogive? A) 13 Full file at https://TestbankHelp.eu/ Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ B) C) D) Answer: D 42) 42) Which of the following is a histogram? A) 14 Full file at https://TestbankHelp.eu/ Test Bank Elementary Statistics A Step By Step Approach 10th Edition Allan G Bluman Full file at https://TestbankHelp.eu/ B) C) D) Answer: B 43) The frequency polygon and the histogram are two different ways to represent the same data set A) True B) False 43) Answer: A 44) For a given data set, the ogive and the frequency polygon will have the same overall shape A) False B) True Answer: A 15 Full file at https://TestbankHelp.eu/ 44)