QNT 565 Final Exam

QNT 565 Final Exam (Latest) - Assignment

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1. Which type of research includes an array of interpretative techniques which seek to describe, decode, translate, and otherwise come to terms with the meaning of certain phenomena?

· Qualitative

· Quantitative

· Descriptive

· Statistical

2. Which term below refers to the descriptors of variables computed from sample data used to estimate those same variables in the population?

· Population parameters

· Standard errors

· Systematic estimates

· Sample statistics

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3. A population consists of the following data: 7, 11, 12, 18, 20, 22, 25. The population variance is

· 36.82

· 22.86

· 5.16

· 6.07

4. If the hypothesis presented is tested using a .05 alpha level and the resulting p value is .01, which of the following interpretations of the results is most appropriate?

· As income increases, food expenditures increase.

· There is a relationship between income and food expenditures.

· As income decreases, the percentage of income spent on food increases.

· There is no relationship between income and food expenditures.

5. Paired comparison scales result in _____ data.

· ratio

· interval

· ordinal

· nominal

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6. Five homes were recently sold in Oxnard Acres. Four of the homes sold for $400,000 while the fifth home sold for $2.5 million. Which measure of central tendency best represents a typical home price in Oxnard Acres?

· The mean or mode.

· The midrange or mean.

· The median or mode.

· The mean or median.

7. An increase in hours of television viewing leads to increases in the sales of snack foods. This is an example of a

· causal hypothesis

· correlational hypothesis

· research question

· descriptive hypothesis

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8. The null hypothesis is typically rejected when

· the calculated value is smaller than the critical value

· the critical value is smaller than the calculated value

· a chi-square statistic is computed