Question
1. Use the Excel file Bear Measurements. Is there a statistically significant relationship between the variables of Month and Weight? Select one: a. Even without
1.
Use the Excel file "Bear Measurements." Is there a statistically significant relationship between the variables of Month and Weight?
Select one:
a.
Even without knowing the critical value for r, there is a high probability that the variables have a statistically significant relationship.
b.
If a scatterplot is used to visually inspect the linear relationship, there is no need to consider the critical value forr.
c.
Even without knowing the critical value for r, there is a low probability that the variables have a statistically significant relationship.
2.
Use the Excel file to calculate Bear Head Width and Bear Neck Size. What is a correct interpretation of the result?
Select one:
a.
There is a strong positive relationship. Therefore, we know that asBear Head Width increases, we expect to see Bear Neck Size increase.
b.
There is a strong negative relationship. Therefore, we know that asBear Head Width increases, it causes Bear Neck Size to decrease.
c.
There is a strong negative relationship. Therefore, we know that asBear Head Width increases, we expect to see Bear Neck Size decrease.
AGE | MONTH | SEX (1=M) | HEADLEN | HEADWDTH | NECK | LENGTH | CHEST | WEIGHT |
19 | 7 | 1 | 11.0 | 5.5 | 16.0 | 53.0 | 26.0 | 80 |
55 | 7 | 1 | 16.5 | 9.0 | 28.0 | 67.5 | 45.0 | 344 |
81 | 9 | 1 | 15.5 | 8.0 | 31.0 | 72.0 | 54.0 | 416 |
115 | 7 | 1 | 17.0 | 10.0 | 31.5 | 72.0 | 49.0 | 348 |
104 | 8 | 0 | 15.5 | 6.5 | 22.0 | 62.0 | 35.0 | 166 |
100 | 4 | 0 | 13.0 | 7.0 | 21.0 | 70.0 | 41.0 | 220 |
56 | 7 | 1 | 15.0 | 7.5 | 26.5 | 73.5 | 41.0 | 262 |
51 | 4 | 1 | 13.5 | 8.0 | 27.0 | 68.5 | 49.0 | 360 |
57 | 9 | 0 | 13.5 | 7.0 | 20.0 | 64.0 | 38.0 | 204 |
53 | 5 | 0 | 12.5 | 6.0 | 18.0 | 58.0 | 31.0 | 144 |
68 | 8 | 1 | 16.0 | 9.0 | 29.0 | 73.0 | 44.0 | 332 |
8 | 8 | 1 | 9.0 | 4.5 | 13.0 | 37.0 | 19.0 | 34 |
44 | 8 | 0 | 12.5 | 4.5 | 10.5 | 63.0 | 32.0 | 140 |
32 | 8 | 1 | 14.0 | 5.0 | 21.5 | 67.0 | 37.0 | 180 |
20 | 8 | 0 | 11.5 | 5.0 | 17.5 | 52.0 | 29.0 | 105 |
32 | 8 | 1 | 13.0 | 8.0 | 21.5 | 59.0 | 33.0 | 166 |
45 | 9 | 1 | 13.5 | 7.0 | 24.0 | 64.0 | 39.0 | 204 |
9 | 9 | 0 | 9.0 | 4.5 | 12.0 | 36.0 | 19.0 | 26 |
21 | 9 | 1 | 13.0 | 6.0 | 19.0 | 59.0 | 30.0 | 120 |
177 | 9 | 1 | 16.0 | 9.5 | 30.0 | 72.0 | 48.0 | 436 |
57 | 9 | 0 | 12.5 | 5.0 | 19.0 | 57.5 | 32.0 | 125 |
81 | 9 | 0 | 13.0 | 5.0 | 20.0 | 61.0 | 33.0 | 132 |
21 | 9 | 1 | 13.0 | 5.0 | 17.0 | 54.0 | 28.0 | 90 |
9 | 9 | 1 | 10.0 | 4.0 | 13.0 | 40.0 | 23.0 | 40 |
45 | 9 | 1 | 16.0 | 6.0 | 24.0 | 63.0 | 42.0 | 220 |
9 | 9 | 1 | 10.0 | 4.0 | 13.5 | 43.0 | 23.0 | 46 |
33 | 9 | 1 | 13.5 | 6.0 | 22.0 | 66.5 | 34.0 | 154 |
57 | 9 | 0 | 13.0 | 5.5 | 17.5 | 60.5 | 31.0 | 116 |
45 | 9 | 0 | 13.0 | 6.5 | 21.0 | 60.0 | 34.5 | 182 |
21 | 9 | 1 | 14.5 | 5.5 | 20.0 | 61.0 | 34.0 | 150 |
10 | 10 | 1 | 9.5 | 4.5 | 16.0 | 40.0 | 26.0 | 65 |
82 | 10 | 0 | 13.5 | 6.5 | 28.0 | 64.0 | 48.0 | 356 |
70 | 10 | 0 | 14.5 | 6.5 | 26.0 | 65.0 | 48.0 | 316 |
10 | 10 | 1 | 11.0 | 5.0 | 17.0 | 49.0 | 29.0 | 94 |
10 | 10 | 1 | 11.5 | 5.0 | 17.0 | 47.0 | 29.5 | 86 |
34 | 10 | 1 | 13.0 | 7.0 | 21.0 | 59.0 | 35.0 | 150 |
34 | 10 | 1 | 16.5 | 6.5 | 27.0 | 72.0 | 44.5 | 270 |
34 | 10 | 1 | 14.0 | 5.5 | 24.0 | 65.0 | 39.0 | 202 |
58 | 10 | 0 | 13.5 | 6.5 | 21.5 | 63.0 | 40.0 | 202 |
58 | 10 | 1 | 15.5 | 7.0 | 28.0 | 70.5 | 50.0 | 365 |
11 | 11 | 1 | 11.5 | 6.0 | 16.5 | 48.0 | 31.0 | 79 |
23 | 11 | 1 | 12.0 | 6.5 | 19.0 | 50.0 | 38.0 | 148 |
70 | 10 | 1 | 15.5 | 7.0 | 28.0 | 76.5 | 55.0 | 446 |
11 | 11 | 0 | 9.0 | 5.0 | 15.0 | 46.0 | 27.0 | 62 |
83 | 11 | 0 | 14.5 | 7.0 | 23.0 | 61.5 | 44.0 | 236 |
35 | 11 | 1 | 13.5 | 8.5 | 23.0 | 63.5 | 44.0 | 212 |
16 | 4 | 1 | 10.0 | 4.0 | 15.5 | 48.0 | 26.0 | 60 |
16 | 4 | 1 | 10.0 | 5.0 | 15.0 | 41.0 | 26.0 | 64 |
17 | 5 | 1 | 11.5 | 5.0 | 17.0 | 53.0 | 30.5 | 114 |
17 | 5 | 0 | 11.5 | 5.0 | 15.0 | 52.5 | 28.0 | 76 |
17 | 5 | 0 | 11.0 | 4.5 | 13.0 | 46.0 | 23.0 | 48 |
8 | 8 | 0 | 10.0 | 4.5 | 10.0 | 43.5 | 24.0 | 29 |
83 | 11 | 1 | 15.5 | 8.0 | 30.5 | 75.0 | 54.0 | 514 |
18 | 6 | 1 | 12.5 | 8.5 | 18.0 | 57.3 | 32.8 | 140 |
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