Question

19. Population size is the most important determinant of effective sample size. A) True B) False 20. Pie charts are useful for depicting changes over time. A) True B) False 21. The median is always equal to the mean. A) True B) False 22. Data mining is a long-established field of market research. A) True B) False 23. Persuasion should never be used in the personal presentation of a marketing research report. A) True B) False _24. Clients tend to prefer long text-based reports to shorter ones. A) True B) False 25. Common arithmetic scales are used with ordinal scales. A) True B) False

Answer 1

	Answer
19	FALSE	It depends on effect size, population standard deviation etc.
20	FALSE	It shows percentage or proportional data
21	FALSE	Mean is not equal to median if distribution is asymmetric
22	TRUE	Data mining is the process of discovering patterns in large data sets
23	TRUE	self - explanatory
24	FALSE	Clients will like brief but clear, crisp and to the point reports
25	FALSE	self - explanatory