6. Which of the following pair of concepts/terms is a mismatch? a. Difference An
ID: 3365411 • Letter: 6
Question
6. Which of the following pair of concepts/terms is a mismatch? a. Difference Analysis/Z Test b. Association Analysis/Correlation d, Parametric Statistics/ e. Inference/Population Values 7. Which of the following is not a measure of variability or dispersion? a. Variance b. Frequency c. Standard Deviation d. Medianb e. Range 8. Which of the following sets of descriptors do not fit the scenario? Rank these four universities in terms of football excellence. Ordinal Scale, mean, proportion, b. How many times did you buy food for lunch? Ratio Scale, Proportion, Standard c. What is your gender? Nominal, Categorical, Mode, percentage. Percentage deviation. d. How does Starbucks rate on variety of its coffee drinks? Mean, Interval, Standard Deviation, Standard Error e. Please distribute 100 pts indicating preference for a movie? Ratio, mean, proportion, standard deviation 9. Given the following, in which case is the Test Statistic inappropriate for the specific application? A)Hypothesis about Differences in #sof One Nominal x2 A frequency dist. People viewing three Ads 30 metric TTest Difference between a One, N sample estimate and a Expected value. B) Hypothesis About Proportions Three or more metric ANOVA Variation among three subgroups. C) Hypothesis about Means Two or more Nominal x d) Hypothesis about Difference between Frequency Dist men and womern Responding to a Promotion metric Z Test Difference between a sample estimate and one E) Hypotheses about Means An expected value 10. Which of the following statistical descriptors is the exact probability of getting a computed statistic Is due to chance? a. P Value b. T Test c. Null Hypothesis d. F Test e. Z TestExplanation / Answer
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Frequency is not a measure of dispersion
In statistics, dispersion (also called variability, scatter, or spread) is the extent to which a distribution is stretched or squeezed. Common examples ofmeasures of statistical dispersion are the variance, standard deviation, and interquartile range.
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