2005Pexam2 - PAGE 1 Practice Exam#2 Marketing Research(MKTG...

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PAGE 1 Practice Exam #2 Marketing Research (MKTG 342) True-False Questions 1. The formula for a sample size is: 2 ZS n E = 2. The Central Limit Theorem states that the sampling distribution of the mean will be approximately normally distributed when the sample size is large. 3. In a research study, if income is measured in dollars, the variance will be in squared dollars. 4. The standard error of the mean is approximately equal to the population standard deviation (or estimate of sample standard deviation) divided by the square root of n. 5. The smaller the sample, the more accurate the research. 6. The term population parameter is used to designate the variables in the sample. 7. Null hypothesis is a statement about a status quo asserting that any change from what has been thought to be true will be due entirely to random sampling error. 8. The chi-square test allows researchers to test for statistical significance in the analysis of frequency distributions. 9. H o : μ = 3.0 is an example of a null hypothesis. 10. The cross-tabulation of two survey questions (or variables) results in a contingency table. 11. Surprisingly, computers have had little impact on tabulation and statistical analysis. 12. Analyzing the data in a survey that samples both men and women by separating answers into groups or categories based on gender would be a cross-tabulation.
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