1. Identify the steps in interpreting a regression model. Interpret the following data:
Y = 5.0 + .30X1 where the dependent variable equals turnover intentions for line managers and the independent variable equals the number of employees supervised
Y = 250 – 4.0X1 where the dependent variable is the number of hits on a new banner ad and the independent variable is the number of weeks the ad has run
Your response should be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations
2. Formulate a statistical hypothesis appropriate for the consumer group’s purpose, then calculate the mean average miles per gallon. Compute the sample variance and sample standard deviation. Determine the most appropriate statistical test using the 0.05 significance level. Click here to view the t-distribution table to assist you in solving this problem. Also, refer to the Z-table (Table A.2 in the appendix). Provide your findings in the space provided.
|
Purchaser |
Miles per gallon |
|
1 |
30.9 |
|
2 |
24.5 |
|
3 |
31.2 |
|
4 |
28.7 |
|
5 |
35.1 |
|
6 |
29 |
|
7 |
28.8 |
|
8 |
23.1 |
|
9 |
31 |
|
10 |
30.2 |
|
11 |
28.4 |
|
12 |
29.3 |
|
13 |
27 |
|
14 |
26.7 |
|
15 |
31 |
|
16 |
23.5 |
|
17 |
29.4 |
|
18 |
26.3 |
|
19 |
27.5 |
|
20 |
28.2 |
|
21 |
28.4 |
|
22 |
29.1 |
|
23 |
21.9 |
|
24 |
30.9 |
Your response should be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations
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