X | Y | XY | X2 |
894 | 69.9 | 62490.6 | 799236 |
965 | 81 | 78165 | 931225 |
893 | 74.3 | 66349.9 | 797449 |
856 | 77 | 65912 | 732736 |
949 | 75 | 71175 | 900601 |
1233 | 88.3 | 108873.9 | 1520289 |
Total = 5790 | 465.5 | 452966.4 | 5681536 |
So,
the Regression Equation is:
For x = 3000:
The wrong in the predicted value is that x = 3000 is an extrapolation i.e., beyond the given range of values of x and so the predicted value is not reliable.
The data show the bug chirps per minute at different temperatures. Find the regression equation, letting...
The data show the bug chirps per minute at different temperatures. Find the regression equation, letting the first variable be the independent (x) variable. Find the best predicted temperature for a time when a bug is chirping at the rate of 3000 chirps per minute. Use a significance level of 0.05. What is wrong with this predicted value? Chirps in 1 min 939 1172 961 983 1213 1012 Temperature (°F) 77.6 91 74.7 81.7 92.478.1 What is the regression equation?...
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