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Below you will see Age and Net Sales data for a second store, different from the one you have been analyzing so far. Each item
Below you will see Age and Net Sales data for a second store, different from the one you have been analyzing so far. Each item is the sales amount, rounded to the nearest dollar, for 70 customers.
You can download the data at this link if you prefer: Download CSV
Age | Net Sales ($) |
29 | 58 |
36 | 60 |
65 | 57 |
40 | 61 |
26 | 46 |
51 | 73 |
24 | 63 |
57 | 44 |
29 | 60 |
37 | 60 |
60 | 49 |
45 | 52 |
18 | 66 |
27 | 49 |
65 | 59 |
43 | 71 |
47 | 66 |
52 | 53 |
29 | 68 |
34 | 62 |
39 | 74 |
26 | 65 |
65 | 46 |
21 | 64 |
32 | 36 |
49 | 52 |
28 | 40 |
41 | 61 |
38 | 60 |
35 | 55 |
42 | 65 |
49 | 41 |
51 | 66 |
48 | 63 |
38 | 70 |
46 | 65 |
43 | 66 |
49 | 48 |
45 | 54 |
34 | 60 |
58 | 39 |
44 | 63 |
20 | 63 |
31 | 65 |
40 | 65 |
53 | 39 |
39 | 54 |
39 | 51 |
21 | 66 |
31 | 49 |
62 | 58 |
62 | 51 |
40 | 53 |
23 | 60 |
59 | 55 |
19 | 62 |
49 | 32 |
47 | 60 |
60 | 50 |
18 | 56 |
57 | 39 |
55 | 68 |
23 | 41 |
40 | 57 |
33 | 62 |
53 | 37 |
24 | 57 |
43 | 51 |
34 | 44 |
35 | 43 |
- What is the mean age for customers at Store 2? Answer = ...................... (Report your answer rounded to ONE decimal place)
- What is the mean Net Sales amount at Store 2? Answer........................ (Report your answer rounded to TWO decimal places)
- What is the correlation coefficient between the Age and Net Sales variables? Answer.......................... (Report your answer rounded to THREE decimal places)
- What is the regression line for these two variables, using Age as the independent variable? Answer: Net Sales =.......................... + .....................* Age. (Round each number to THREE decimal places)
Note: Be careful to enter your numbers in the appropriate box...double check before submitting. Also, be sure to include a negative sign when appropriate.
- The linear relationship between Age and Net sales would be described as a Select an answer
- strong
- weak Correct Select an answer
- negative or positive Correct relationship. (Choose an answer for each dropdown box.)
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