Essay
Jason believes that the sales of coffee at his coffee shop depend upon the weather. He has taken a sample of 6 days. Below you are given the results of the sample. 
a.Which variable is the dependent variable?
b.Compute the least squares estimated line.
c.Compute the correlation coefficient between temperature and the sales of coffee.
d.Is there a significant relationship between the sales of coffee and temperature? Use a .05 level of significance. Be sure to state the null and alternative hypotheses.
e.Predict sales of a 90 degree day.
Correct Answer:
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a.Cups of coffee sold
b. 
= 60...View Answer
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Correct Answer:
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b.
= 60...View Answer
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Q91: Given below are five observations collected
Q92: Exhibit 14 - 1<br>The following information regarding
Q93: Exhibit 14-5<br>The following information regarding a dependent
Q95: Shown below is a portion of
Q97: The mathematical equation relating the independent
Q98: Given below are seven observations collected
Q99: Exhibit 14-10<br>The following information regarding a dependent
Q100: A regression analysis between sales (in $1000)
Q101: Exhibit 14-9<br>A regression and correlation analysis resulted
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