The following table gives the average August temperature (y) and geographic latitude (x) for 20 cities in the United States. The following formula is the regression equation relating these two variables. y=113.6-1.01x   (a) The latitude at the equator is 0. Using the regression equation, estimate the average August temperature at the equator.

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The following table gives the average August temperature (y) and geographic latitude (x) for 20 cities in the United States.

The following formula is the regression equation relating these two variables.

y=113.6-1.01x

 
(a) The latitude at the equator is 0. Using the regression equation, estimate the average August temperature at the equator.
City
Latitude Aug Temp
Miami FL
26
83
Houston TX
30
82
Mobile AL
31
82
Phoenix AZ
33
92
Dallas TX
33
85
Los Angeles CA
34
75
Memphis TN
35
81
Norfolk VA
37
77
San Francisco CA
38
64
Baltimore MD
39
76
Kansas City MO
39
76
Washington DC
39
74
Pittsburgh PA
40
71
Cleveland OH
41
70
New York NY
41
76
Boston MA
42
72
Syracuse NY
43
68
Minneapolis MN
45
71
Portland OR
46
69
Duluth MN
47
64
Transcribed Image Text:City Latitude Aug Temp Miami FL 26 83 Houston TX 30 82 Mobile AL 31 82 Phoenix AZ 33 92 Dallas TX 33 85 Los Angeles CA 34 75 Memphis TN 35 81 Norfolk VA 37 77 San Francisco CA 38 64 Baltimore MD 39 76 Kansas City MO 39 76 Washington DC 39 74 Pittsburgh PA 40 71 Cleveland OH 41 70 New York NY 41 76 Boston MA 42 72 Syracuse NY 43 68 Minneapolis MN 45 71 Portland OR 46 69 Duluth MN 47 64
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