Question
Transcribed Text
The following data represents the normal monthly precipitation for a certain city.
Normal Monthly
Month, x
Precipitation, inches
January, 1
3.91
February, 2
4.36
March, 3
5.31
April, 4
6.21
May, 5
7.02
June, 6
7.84
July, 7
8.19
August, 8
8.06
September, 9
7.41
October, 10
6.30
November, 11
5.21
December, 12
4.28
Draw a scatter diagram of the data for one period. (You do not need to submit the scatter diagram).
Find the sinusoidal function of the form y = A sin(wx - b) +
B
that fits the data. Show your work.
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