Statistics and data analysis for nursing research 2nd edition test bank by polit download

Statistics And Data Analysis For Nursing Research 2nd Edition Test Bank by Polit MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 1) A major purpose of constructing a frequency distribution with sample 1) _ data is to: A) Estimate a population parameter B) Get experience with statistical software C) Get an organized view of an entire set of scores D) Test a research hypothesis 2) In a frequency distribution, the two key informational components are: A) A horizontal (X) axis, a vertical (Y) axis B) Frequencies (f), percentages (%) C) Score values (X), frequencies (f) D) Participant ID number (id), score values (X) 2) _ 3) In a frequency distribution, which of the following is true? A) Σ f = % B) Σ f = N C) Σ N = f D) Σ N = % 3) _ 4) In the equation Σ % = 100.0, the symbol Σ signifies: A) The sum of B) A data value C) A frequency D) A percentage 4) _ 5) In a frequency distribution, percentages are sometimes called: A) Proportions B) Cumulative proportions C) Relative frequencies D) Relative proportions 5) _ 6) Data for which of the following variables is most likely to be presented in a grouped frequency distribution? A) Nursing specialty area B) Daily cholesterol intake C) Number of pets owned D) Number of abortions 6) _ 7) The level of measurement for data appropriately presented in a bar graph is: A) Nominal or ordinal B) Nominal only C) Interval only D) Interval or ratio 7) _ 8) In a frequency distribution graph, frequencies are typically presented on the and data values are presented on the (Fill in the blanks.) A) axis, N axis B) X axis, Y axis C) Y axis, X axis D) N axis, f axis 8) _ 9) Which of the following sets of data is not unimodal? A) 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 5, 5, 5, 6, 6, 7, 7, 8, 8, 9, B) 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, C) 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 4, 5, 5, 5, 5, 5, 5, 5, D) 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 9) _ 10) Which of the following variables is most likely to be negatively skewed in a general population? A) Number of times married B) Number of times arrested 10) C) Age at birth 11) A normal distribution is not: A) Leptokurtic C) Skewed D) Age at retirement 11) B) Platykurtic D) All of the above 12) A wild code is: A) A code for which there is a very high frequency B) A value that is impossible given the coding scheme C) A code for which there is a very low frequency D) An outlier or high value 12) Table Number of Pregnancies of Study Frequency Percentage Cumulative Participants Percentage 24 11.1 11.1 29 13.5 24.6 78 36.3 60.9 46 21.4 82.3 22 10.2 92.5 11 5.1 97.6 1.9 99.5 0.4 100.0 Total 215 100.0 13) In Table 2, the variable is and the measurement level is (Fill in the blanks.) A) Discrete, interval B) Continuous, ratio C) Continuous, interval D) Discrete, ratio 14) Table is an example of a: A) Grouped frequency distribution B) Data matrix C) Frequency distribution D) Class interval 15) In Table 2, the value of N is: A) 215 B) 100.0 13) 14) 15) C) D) 24 16) In Table 2, the cumulative relative frequency for five or fewer pregnancies is: A) 92.5 B) 199 C) 210 D) 97.6 16) 17) The best way to graph information in Table would be to construct: A) Either a pie chart or a bar graph B) A histogram C) A bar graph D) A pie chart 17) 18) In Table 2, the distribution of data would be described as: A) Negatively skewed B) Positively skewed C) Symmetric D) It cannot be determined 18) 19) In Table 2, the distribution of data would be described as: A) Bimodal B) Unimodal C) Multimodal D) It cannot be determined 19) 20) In Table 2, the most likely number to be an outlier is: A) B) C) 20) D) 24 Full file at https://fratstock.eu 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) C C B A C B A C C D D B D C A D B B B C