Question

1) If a statistically significant difference exists between groups relative to a specific variable, but that difference is so small as to have little importance to the manager, the researcher failed the _____ test.

a) exploratory data analysis

b) bayesian statistics

c) classical statistics

d) Statistical Significance

e) practical significance

2) To compare productivity measurements taken from two separate manufacturing plants in hypothesis testing, we need a _____.

a) one-sample test

b) two-independent-samples test

c) two-related-samples test

d) k-indpendents-samples test

e) k-related-samples test

3) Assume you have studied the sales of a sample of sales representatives for each month over a 9-month period. The appropriate hypothesis test for this situation is

a) k-related-samples test

b) two-independent-samples test

c) a priori test

d) k-independent-samples test

e) multiple-comparison test

4) _____ is used to test hypotheses.

a) exploratory data analysis

b) bayesian statistics

c) Classical statistics

d) hypothesis testing

e) inferential statistics

5) In order for parametric tests to be used in hypothesis testing, each of the following assumptions must be met EXCEPT

a) the observations must be independent.

b) the observations should be drawn from normally distributed populations.

c) the populations from which data are drawn should have equal variances.

d) the measurement questions should generate ordinal or nominal data.

e) All of these are correct

Answer 1

Answers

1. e) practical significance

2. b) two independent sample test

3. a.) k related sample test

4. d.) hypothesis testing

5. d) the measurement quest should generate ordinal or nominal data