7. According to the Glassdoor.com. each job opening on average attracted 250 resumes in 2015. You know that thejola market improved in 2017 compared to 2015. which means that more people will likely be switching jobs but also fewer unemployed workers remain in the labor market. To find out which trend is stronger. you take a random sample of 20 employers in your area and ask them to report how many resumes they received in 2017 for each job opening. Here are their answers: 212 223 203 260 230 204- 220 24-4 196 244 216 256 126 223 220 240 212 244 204 224 Using a = 0.05. answer the following: a. State the null and alternative hypotheses. In. Does this sample provide enough evidence to suggest that the number of resumes that were received in 2017 has changed? c. Determine the precise p-value for this test using Excel. d. What assumptions need to be made to perform this analysis? .9