Question: The data in the following table give the average high temperature in Chicago for certain months. a) Using the SINE REGRESSION feature on a graphing

The data in the following table give the average high temperature in Chicago for certain months. Month, x January, 1 March, 3 May, 5 July, 7 September, 9

a) Using the SINE REGRESSION feature on a graphing calculator, fit a sine function of the form y = A sin (BX - C) + D to this set of data.

b) Approximate the average high temperature in Chicago in April and in December.

c) Determine in which months the average high temperature is about 63°.

Month, x January, 1 March, 3 May, 5 July, 7 September, 9 November, 11 Average High Temperature (in degrees Fahrenheit) 32 47 70 84 76 49

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