The data reports the temperatures on randomly chosen days during a summer class and the number of absences on those days. 1)  Construct the scatter plot 2)  Calculate the correlation coefficient, r. 3)  Test the hypothesis at a significance level of 0.05

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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The data reports the temperatures on randomly chosen days during a summer class and the number of absences on those days.

1)  Construct the scatter plot

2)  Calculate the correlation coefficient, r.

3)  Test the hypothesis at a significance level of 0.05

 

 

Temperature, x
Number of absences, y
77
7
90 | 96 | 95 | 93 | 103
103
80 105 | 85
19 9
11 14 14 12 19 8
Transcribed Image Text:Temperature, x Number of absences, y 77 7 90 | 96 | 95 | 93 | 103 103 80 105 | 85 19 9 11 14 14 12 19 8
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4)  If there is a significant relationship, find the linear regression equation

5)  Predict the number of absences if the temperature is 100

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