In: Statistics and Probability
4. Before the baby is born, John and Mary want to take a vacation to Gatlinburg, TN. They can travel in January or August. They do some research about the weather in January and in August in 2018. Using the information below answer the following questions.
Answer each of the following questions separately, showing all your work to reach each answer
A. In which month was the difference between the mean high temperature and the mean low temperature smaller? Show all your calculations to support your answer.
B. In which month was the difference between the median high temperature and the median low temperature larger? Show all your calculations to support your answer.
Day |
High |
Low |
1 jan 2018 |
27.0 |
12.0 |
2 jan 2018 |
18.0 |
3.0 |
3 jan 2018 |
26.1 |
3.0 |
4 jan 2018 |
33.1 |
15.1 |
5 jan 2018 |
21.9 |
6.1 |
6 jan 2018 |
23.0 |
6.1 |
7 jan 2018 |
26.1 |
3.9 |
8 jan 2018 |
35.1 |
5.0 |
9 jan 2018 |
37.0 |
27.0 |
10 jan 2018 |
46.9 |
30.9 |
11 jan 2018 |
64.9 |
30.9 |
12 jan 2018 |
64.0 |
48.0 |
13 jan 2018 |
61.0 |
25.0 |
14 jan 2018 |
25.0 |
18.0 |
15 jan 2018 |
27.0 |
15.1 |
16 jan 2018 |
44.1 |
19.0 |
17 jan 2018 |
39.0 |
10.9 |
18 jan 2018 |
16.0 |
3.9 |
19 jan 2018 |
32.0 |
3.0 |
20 jan 2018 |
45.0 |
12.0 |
21 jan 2018 |
50.0 |
28.9 |
22 jan 2018 |
60.1 |
30.0 |
23 jan 2018 |
64.0 |
36.0 |
24 jan 2018 |
52.0 |
30.0 |
25 jan 2018 |
45.0 |
24.1 |
26 jan 2018 |
50.0 |
23.0 |
27 jan 2018 |
54.0 |
24.1 |
28 jan 2018 |
59.0 |
42.1 |
29 jan 2018 |
51.1 |
41.0 |
30 jan 2018 |
48.9 |
27.0 |
31 jan 2018 |
35.1 |
19.9 |
Day |
High |
Low |
1 aug 2018 |
75.9 |
64.0 |
2 aug 2018 |
68.0 |
64.9 |
3 aug 2018 |
70.0 |
64.9 |
4 aug 2018 |
78.1 |
64.0 |
5 aug 2018 |
79.0 |
64.0 |
6 aug 2018 |
82.0 |
64.0 |
7 aug 2018 |
80.1 |
64.9 |
8 aug 2018 |
82.0 |
64.9 |
9 aug 2018 |
82.0 |
64.9 |
10 aug 2018 |
79.0 |
62.1 |
11 aug 2018 |
77.0 |
62.1 |
12 aug 2018 |
75.9 |
64.9 |
13 aug 2018 |
79.0 |
62.1 |
14 aug 2018 |
79.0 |
61.0 |
15 aug 2018 |
78.1 |
60.1 |
16 aug 2018 |
80.1 |
61.0 |
17 aug 2018 |
84.0 |
60.1 |
18 aug 2018 |
84.0 |
66.0 |
19 aug 2018 |
75.9 |
66.0 |
20 aug 2018 |
75.0 |
64.9 |
21 aug 2018 |
82.0 |
66.0 |
22 aug 2018 |
78.1 |
66.0 |
23 aug 2018 |
73.0 |
60.1 |
24 aug 2018 |
73.0 |
54.0 |
25 aug 2018 |
77.0 |
53.1 |
26 aug 2018 |
78.1 |
60.1 |
27 aug 2018 |
80.1 |
60.1 |
28 aug 2018 |
81.0 |
63.0 |
29 aug 2018 |
82.9 |
63.0 |
30 aug 2018 |
81.0 |
64.0 |
31 aug 2018 |
79.0 |
64.9 |
(a) The difference between the mean high temperature and the mean low temperature is smaller for August.
(b) The difference between the median high temperature and the median low temperature is larger for January.
Day | High | Low | ||||
(°F) | (°F) | Difference | Mean | |||
01-Jan-18 | 27 | 12 | 15 | January | 21.20645 | |
02-Jan-18 | 18 | 3 | 15 | August | 15.61935 | |
03-Jan-18 | 26.1 | 3 | 23.1 | |||
04-Jan-18 | 33.1 | 15.1 | 18 | Median | ||
05-Jan-18 | 21.9 | 6.1 | 15.8 | January | 21.1 | |
06-Jan-18 | 23 | 6.1 | 16.9 | August | 16.9 | |
07-Jan-18 | 26.1 | 3.9 | 22.2 | |||
08-Jan-18 | 35.1 | 5 | 30.1 | |||
09-Jan-18 | 37 | 27 | 10 | |||
10-Jan-18 | 46.9 | 30.9 | 16 | |||
11-Jan-18 | 64.9 | 30.9 | 34 | |||
12-Jan-18 | 64 | 48 | 16 | |||
13-Jan-18 | 61 | 25 | 36 | |||
14-Jan-18 | 25 | 18 | 7 | |||
15-Jan-18 | 27 | 15.1 | 11.9 | |||
16-Jan-18 | 44.1 | 19 | 25.1 | |||
17-Jan-18 | 39 | 10.9 | 28.1 | |||
18-Jan-18 | 16 | 3.9 | 12.1 | |||
19-Jan-18 | 32 | 3 | 29 | |||
20-Jan-18 | 45 | 12 | 33 | |||
21-Jan-18 | 50 | 28.9 | 21.1 | |||
22-Jan-18 | 60.1 | 30 | 30.1 | |||
23-Jan-18 | 64 | 36 | 28 | |||
24-Jan-18 | 52 | 30 | 22 | |||
25-Jan-18 | 45 | 24.1 | 20.9 | |||
26-Jan-18 | 50 | 23 | 27 | |||
27-Jan-18 | 54 | 24.1 | 29.9 | |||
28-Jan-18 | 59 | 42.1 | 16.9 | |||
29-Jan-18 | 51.1 | 41 | 10.1 | |||
30-Jan-18 | 48.9 | 27 | 21.9 | |||
31-Jan-18 | 35.1 | 19.9 | 15.2 | |||
Day | High | Low | ||||
(°F) | (°F) | |||||
01 August 2018 | 75.9 | 64 | 11.9 | |||
02 August 2018 | 68 | 64.9 | 3.1 | |||
03 August 2018 | 70 | 64.9 | 5.1 | |||
04 August 2018 | 78.1 | 64 | 14.1 | |||
05 August 2018 | 79 | 64 | 15 | |||
06 August 2018 | 82 | 64 | 18 | |||
07 August 2018 | 80.1 | 64.9 | 15.2 | |||
08 August 2018 | 82 | 64.9 | 17.1 | |||
09 August 2018 | 82 | 64.9 | 17.1 | |||
10 August 2018 | 79 | 62.1 | 16.9 | |||
11 August 2018 | 77 | 62.1 | 14.9 | |||
12 August 2018 | 75.9 | 64.9 | 11 | |||
13 August 2018 | 79 | 62.1 | 16.9 | |||
14 August 2018 | 79 | 61 | 18 | |||
15 August 2018 | 78.1 | 60.1 | 18 | |||
16 August 2018 | 80.1 | 61 | 19.1 | |||
17 August 2018 | 84 | 60.1 | 23.9 | |||
18 August 2018 | 84 | 66 | 18 | |||
19 August 2018 | 75.9 | 66 | 9.9 | |||
20 August 2018 | 75 | 64.9 | 10.1 | |||
21 August 2018 | 82 | 66 | 16 | |||
22 August 2018 | 78.1 | 66 | 12.1 | |||
23 August 2018 | 73 | 60.1 | 12.9 | |||
24 August 2018 | 73 | 54 | 19 | |||
25 August 2018 | 77 | 53.1 | 23.9 | |||
26 August 2018 | 78.1 | 60.1 | 18 | |||
27 August 2018 | 80.1 | 60.1 | 20 | |||
28 August 2018 | 81 | 63 | 18 | |||
29 August 2018 | 82.9 | 63 | 19.9 | |||
30 August 2018 | 81 | 64 | 17 | |||
31 August 2018 | 79 | 64.9 | 14.1 |