UOP QNT275 Week 2 Quiz Latest 2020

QNT275 Statistics for Decision Making

Week 2 Quiz   

?In order to summarize qualitative data, a useful tool is a __________.

2. ?The accompanying chart shows the numbers of books written by each author in a collection of cookbooks. What type of chart is this?

3. ?A recent survey of 200 small firms (annual revenue less than $10 million) asked whether an increase in the minimum wage would cause the firm to decrease capital spending. Possible responses to the survey question were: "Yes," "No," or "Don't Know." These data are best classified as ____________.

4. ?ABC Plumbing wants to understand its customers’ perceptions of the quality of the company’s plumbing service calls. They plan to survey a sample of its customer base. What will ABC need to do to ensure that their data is valid and reliable?

5. A stem-and-leaf diagram is constructed by separating each value of a data set into two parts. What are these parts?

6. A population consists of _________________.

7. ?Which of the following variables is qualitative?

8. ?Which of the following represents a population and a sample from that population?

9. Which of the following variables is quantitative??