Question
A cooking service wishes to determine whether a relationship exists between the outside temperature and the number of late calls it receives for a 7-hour
A cooking service wishes to determine whether a relationship exists between the outside temperature and the number of late calls it receives for a 7-hour period. The data are shown.
Temperature x
25 10 27 30 33
No. of calls y
7 4 8 10 11
a Find the correlation coefficient r
b Find the regression equation
c Graph the regression equation.
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Trigonometry
Authors: Mark Dugopolski
3rd Edition
0321899830, 9780321899835
