Test the significance of the correlation coefficient calculated in question 5 at α = 0.05. Use the steps in conducting hypothesis tests. Question 5: The Pearson r Correlation Coefficient: r = 0.9896 The equation of the regression line: y = 1.3839x + 218.2548 Predict power consumption for an ambient temperature of 65 °F: 308.2083BTU

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Test the significance of the correlation coefficient calculated in question 5 at α = 0.05. Use the steps in conducting hypothesis tests.

Question 5:
The Pearson r Correlation Coefficient: r = 0.9896

The equation of the regression line: y = 1.3839x + 218.2548

Predict power consumption for an ambient temperature of 65 °F: 308.2083BTU

SUM
Electric Power,
y
250
285
320
295
265
298
267
321
401
Ambient
Temperature, x
27
45
72
58
31
60
34
74
2301
xy
6750
12825
23040
17110
8215
17880
9078
23754
118652
x²
729
2025
5184
3364
961
3600
1156
5476
22495
y²
62300
81225
102400
87025
70225
88804
71289
103041
666509
Transcribed Image Text:SUM Electric Power, y 250 285 320 295 265 298 267 321 401 Ambient Temperature, x 27 45 72 58 31 60 34 74 2301 xy 6750 12825 23040 17110 8215 17880 9078 23754 118652 x² 729 2025 5184 3364 961 3600 1156 5476 22495 y² 62300 81225 102400 87025 70225 88804 71289 103041 666509
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