Question
Zaza Employment helps midsized to large companies fill management and high-level technical positions. The table below contains data for a sample of job placements that
Zaza Employment helps midsized to large companies fill management and high-level technical positions. The table below contains data for a sample of job placements that the company has facilitated. The data shows the number of days it took to fill the job and the fee billed to the client.
Days | Fee Charged |
32 | 2013 |
41 | 4717 |
56 | 2666 |
42 | 4599 |
54 | 3810 |
57 | 4288 |
33 | 4701 |
14 | 3690 |
40 | 1684 |
33 | 5075 |
44 | 3984 |
28 | 5308 |
46 | 3018 |
41 | 2458 |
69 | 3344 |
24 | 2782 |
38 | 2546 |
51 | 2254 |
54 | 1642 |
50 | 3439 |
64 | 3119 |
68 | 2089 |
53 | 3031 |
63 | 943 |
63 | 3505 |
37 | 6903 |
21 | 3412 |
57 | 3771 |
42 | 3450 |
55 | 2360 |
51 | 2929 |
31 | 3284 |
68 | 2563 |
47 | 2348 |
52 | 2555 |
46 | 4222 |
49 | 1804 |
34 | 1603 |
66 | 2209 |
85 | 4676 |
15 | 4494 |
57 | 1894 |
36 | 2351 |
20 | 5387 |
27 | 2865 |
57 | 2569 |
34 | 3081 |
30 | 3917 |
45 | 4172 |
180 | 3959 |
a) Construct a scatter plot (Use Excel) showing fees as the dependent variable. What is the apparent relationship between the two variables?
b) Calculate (Use the Calculator) the correlation coefficient and test to determine whether there is a statistically significant linear relationship between the two variables. Use an alpha = 0.05.
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