1. In general, _______ tests are more powerful than _______ tests.

2. Statisticians begin by assuming that the _____ hypothesis is true and reject it only if evidence clearly indicates that this assumption is unwarranted.

3. The __________ hypothesis states that there is no real difference between the sample means and the _______ states that there is a real difference between the sample means.

4. A local pizza restaurant claims that the average delivery time for their pizzas is 30 minutes. You don't believe their claim, so you devise a study. At 100 randomly chosen times during a 6-month period, you order a pizza from them and record how long it takes for the pizza to be delivered to your house. You calculate the average time and find it to be 28 minutes. The scale of measurement of the variable(s) is/are:

5. A local pizza restaurant claims that the average delivery time for their pizzas is 30 minutes. You don't believe their claim, so you devise a study. At 100 randomly chosen times during a 6-month period, you order a pizza from them and record how long it takes for the pizza to be delivered to your house. You calculate the average time and find it to be 28 minutes. What are the null and alternative hypotheses?

6. A local pizza restaurant claims that the average delivery time for their pizzas is 30 minutes. You don't believe their claim, so you devise a study. At 100 randomly chosen times during a 6-month period, you order a pizza from them and record how long it takes for the pizza to be delivered to your house. You calculate the average time and find it to be 28 minutes. What statistical test is most appropriate to analyze these data?

7. A local pizza restaurant claims that the average delivery time for their pizzas is 30 minutes. You don't believe their claim, so you devise a study. At 100 randomly chosen times during a 6-month period, you order a pizza from them and record how long it takes for the pizza to be delivered to your house. You calculate the average time and find it to be 28 minutes. This research study is an example of a:

8. The Age Discrimination in Employment Act of 1967 (ADEA)protects applicants and employees who are 40 years of age or older from employment discrimination based on age. To determine if there is ADEA-protected age-based discrimination in compensation at Starbucks against older employees, an industrial-organizational psychologist collects 100 Starbucks managers' beginning salaries and calculates the relationship between their ages and beginning salaries. The researcher finds that age and salary are significantly positively related.What are the two constructs being studied in this research?

9. The Age Discrimination in Employment Act of 1967 (ADEA)protects applicants and employees who are 40 years of age or older from employment discrimination based on age. To determine if there is ADEA-protected age-based discrimination in compensation at Starbucks against older employees, an industrial-organizational psychologist collects 100 Starbucks managers' beginning salaries and calculates the relationship between their ages and beginning salaries. The researcher finds that age and salary are significantly positively related.How are the two constructs operationally defined in this research?

10. The Age Discrimination in Employment Act of 1967 (ADEA)protects applicants and employees who are 40 years of age or older from employment discrimination based on age. To determine if there is ADEA-protected age-based discrimination in compensation at Starbucks against older employees, an industrial-organizational psychologist collects 100 Starbucks managers' beginning salaries and calculates the relationship between their ages and beginning salaries. The researcher finds that age and salary are significantly positively related.The scale of measurement of these variables is: