The data show the chest size and weight of several bears. Findthe regression? equation, letting chest size be the independent?(x) variable. Then find the best predicted weight of a bear with achest size of
3939
inches. Is the result close to the actual weight of
126126
?pounds? Use a significance level of 0.05.
Chest size? (inches) | 44 | 41 | 41 | 55 | 51 | 42 | |
|---|
Weight? (pounds) | 213 | 206 | 176 | 309 | 300 | 178 |
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n | alpha?equals=0.05 | alpha?equals=0.01 | ?NOTE: To test H0?: rho?equals=0 againstH1?: rho?not equals??0, rejectH0 if the absolute value of r is greater than the critical value inthe table. |
|---|
4 | 0.950 | 0.990 |
5 | 0.878 | 0.959 |
6 | 0.811 | 0.917 |
7 | 0.754 | 0.875 |
8 | 0.707 | 0.834 |
9 | 0.666 | 0.798 |
10 | 0.632 | 0.765 |
11 | 0.602 | 0.735 |
12 | 0.576 | 0.708 |
13 | 0.553 | 0.684 |
14 | 0.532 | 0.661 |
15 | 0.514 | 0.641 |
16 | 0.497 | 0.623 |
17 | 0.482 | 0.606 |
18 | 0.468 | 0.590 |
19 | 0.456 | 0.575 |
20 | 0.444 | 0.561 |
25 | 0.396 | 0.505 |
30 | 0.361 | 0.463 |
35 | 0.335 | 0.430 |
40 | 0.312 | 0.402 |
45 | 0.294 | 0.378 |
50 | 0.279 | 0.361 |
60 | 0.254 | 0.330 |
70 | 0.236 | 0.305 |
80 | 0.220 | 0.286 |
90 | 0.207 | 0.269 |
100 | 0.196 | 0.256 |
n | alpha?equals=0.05 | alpha?equals=0.01 | |
|---|
PrintDone
What is the regression equation?
