Discuss the below:
1 The temperature in December in Buffalo , New York , is often below 40 degrees Fahrenheit (4 degrees Celsius). Not surprisingly, when the National League Buffalo Bills play at home in December, coffee is a popular item at the concession stand. The concession manager would like to acquire more information so he can manage inventories more efficiently. The number of cups of coffee sold during 50 games played in December in Buffalo were recorded. The results are in file Xr04-84.
a) Determine the mean and median.
b) Determine the variance and standard deviation.
c) Draw a box plot.
d) Briefly describe what you have learned from your statistical analysis.
2 A regular feature in a newspaper asks readers to respond via e-mail to a survey that requires a yes or no response. In the following day's newspaper, the percentage of yes and no responses are reported. Discuss why these statistics should be ignored.
| Coffees |
Temperature |
| 17988 |
40 |
|
| 13995 |
52 |
|
| 36330 |
33 |
|
| 43604 |
33 |
|
| 33938 |
40 |
|
| 18920 |
54 |
|
| 39957 |
35 |
|
| 3647 |
52 |
|
| 25795 |
29 |
|
| 30049 |
30 |
|
| 39804 |
36 |
|
| 25127 |
42 |
|
| 52633 |
2 |
|
| 52515 |
15 |
|
| 41819 |
49 |
|
| 6383 |
42 |
|
| 32602 |
51 |
|
| 26664 |
28 |
|
| 31271 |
29 |
|
| 62729 |
-10 |
|
| 23767 |
51 |
|
| 22653 |
52 |
|
| 34502 |
20 |
|
| 13239 |
66 |
|
| 34526 |
15 |
|
| 38300 |
40 |
|
| 23357 |
37 |
|
| 18765 |
41 |
|
| 47408 |
-5 |
|
| 32758 |
17 |
|
| 22291 |
33 |
|
| 20991 |
39 |
|
| 35818 |
45 |
|
| 32341 |
28 |
|
| 43752 |
31 |
|
| 34836 |
38 |
|
| 20341 |
47 |
|
| 26430 |
31 |
|
| 42780 |
28 |
|
| 11606 |
55 |
|
| 23726 |
37 |
|
| 37023 |
18 |
|
| 13298 |
51 |
|
| 26302 |
35 |
|
| 38279 |
26 |
|
| 21180 |
61 |
|
| 38556 |
5 |
|
| 23228 |
50 |
|
| 37477 |
26 |
|
| 20339 |
54 |
|