Question
A random sample of workers was selected and asked the number of emails they sent and the number of phone calls they made that day.The
A random sample of workers was selected and asked the number of emails they sent and the number of phone calls they made that day.The data collected is provided below.
x # emailsy # phone calls51613499714413
Identify each of the following:
x =
x =
xy =
x2=
y2=
Compute the value of the correlation coefficient. (round to 3 decimal places)
Compute the value of the slope. (round to one decimal place)
Compute the value of the y-intercept. (round to one decimal place)
Use the regression equation to predict the number of phone calls if an employees sent 10 emails. (round to one decimal place)
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