This exercise requires the use of a statistical software package. The cotton aphid poses a threat to cotton crops. The accompanying data on y = Infestation rate (aphids/100 leaves) x1 = Mean temperature (°C) x2 = Mean relative humidity appeared in an article on the subject. y x1 x2 y x1 x2 60 21.0 57.0 78 24.8 48.0 86 28.3 41.5 94 26.0 56.0 99 27.5 58.0 101 27.1 31.0 105 26.8 36.5 119 29.0 41.0 103 28.3 40.0 75 34.0 25.0 62 30.5 34.0 44 28.3 13.0 28 30.8 37.0 20 31.0 19.0 15 33.6 20.0 24 31.8 17.0 31 31.3 21.0 26 33.5 18.5 68 33.0 24.5 39 34.5 16.0 7 34.3 6.0 20 34.3 26.0 19 33.0 21.0 22 26.5 26.0 41 32.0 28.0 55 27.3 24.5 61 27.8 39.0 58 25.8 29.0 81 25.0 41.0 90 18.5 53.5 76 26.0 51.0 103 19.0 48.0 109 18.0 70.0 96 16.3 79.5 Find the estimated regression equation of the multiple regression model y = ? + ?1x1 + ?2x2 + e. (Round your numerical values to two decimal places.) y = Assess the utility of the multiple regression model using a significance level of 0.05. Calculate the test statistic. (Round your answer to two decimal places.) F = Use technology or SALT to calculate the P-value. (Round your answer to four decimal places.) P-value =
This exercise requires the use of a statistical software package. The cotton aphid poses a threat to cotton crops. The accompanying data on y = Infestation rate (aphids/100 leaves) x1 = Mean temperature (°C) x2 = Mean relative humidity appeared in an article on the subject. y x1 x2 y x1 x2 60 21.0 57.0 78 24.8 48.0 86 28.3 41.5 94 26.0 56.0 99 27.5 58.0 101 27.1 31.0 105 26.8 36.5 119 29.0 41.0 103 28.3 40.0 75 34.0 25.0 62 30.5 34.0 44 28.3 13.0 28 30.8 37.0 20 31.0 19.0 15 33.6 20.0 24 31.8 17.0 31 31.3 21.0 26 33.5 18.5 68 33.0 24.5 39 34.5 16.0 7 34.3 6.0 20 34.3 26.0 19 33.0 21.0 22 26.5 26.0 41 32.0 28.0 55 27.3 24.5 61 27.8 39.0 58 25.8 29.0 81 25.0 41.0 90 18.5 53.5 76 26.0 51.0 103 19.0 48.0 109 18.0 70.0 96 16.3 79.5 Find the estimated regression equation of the multiple regression model y = ? + ?1x1 + ?2x2 + e. (Round your numerical values to two decimal places.) y = Assess the utility of the multiple regression model using a significance level of 0.05. Calculate the test statistic. (Round your answer to two decimal places.) F = Use technology or SALT to calculate the P-value. (Round your answer to four decimal places.) P-value =
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
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This exercise requires the use of a statistical software package.
The cotton aphid poses a threat to cotton crops. The accompanying data on
| y | = | Infestation rate (aphids/100 leaves) |
| x1 | = | Mean temperature (°C) |
| x2 | = | Mean relative humidity |
appeared in an article on the subject.
| y |
x1
|
x2
|
y |
x1
|
x2
|
|---|---|---|---|---|---|
| 60 | 21.0 | 57.0 | 78 | 24.8 | 48.0 |
| 86 | 28.3 | 41.5 | 94 | 26.0 | 56.0 |
| 99 | 27.5 | 58.0 | 101 | 27.1 | 31.0 |
| 105 | 26.8 | 36.5 | 119 | 29.0 | 41.0 |
| 103 | 28.3 | 40.0 | 75 | 34.0 | 25.0 |
| 62 | 30.5 | 34.0 | 44 | 28.3 | 13.0 |
| 28 | 30.8 | 37.0 | 20 | 31.0 | 19.0 |
| 15 | 33.6 | 20.0 | 24 | 31.8 | 17.0 |
| 31 | 31.3 | 21.0 | 26 | 33.5 | 18.5 |
| 68 | 33.0 | 24.5 | 39 | 34.5 | 16.0 |
| 7 | 34.3 | 6.0 | 20 | 34.3 | 26.0 |
| 19 | 33.0 | 21.0 | 22 | 26.5 | 26.0 |
| 41 | 32.0 | 28.0 | 55 | 27.3 | 24.5 |
| 61 | 27.8 | 39.0 | 58 | 25.8 | 29.0 |
| 81 | 25.0 | 41.0 | 90 | 18.5 | 53.5 |
| 76 | 26.0 | 51.0 | 103 | 19.0 | 48.0 |
| 109 | 18.0 | 70.0 | 96 | 16.3 | 79.5 |
Find the estimated regression equation of the multiple regression model
y = ? + ?1x1 + ?2x2 + e.
(Round your numerical values to two decimal places.)y =
Assess the utility of the multiple regression model using a significance level of 0.05.
Calculate the test statistic. (Round your answer to two decimal places.)
F =
Use technology or SALT to calculate the P-value. (Round your answer to four decimal places.)
P-value =
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