33 Over a 7 week period a company observed how sales changed

Over a 7 week period, a company observed how sales changed according to the changes on the price of its product.
Calculate the slope for the regression equation:

Calculate SS Regression

Calculate SS Error

Calculate R²

Calculate the correlation coefficetn

Calculate the F value to determine if the slope is significantly different from 0:

Week	Price	Sales
1	.33	35
2	.25	36
3	.44	22
4	.40	27
5	.35	30
6	.39	26
7	.29	33

33 Over a 7 week period, a company observed how sales changed according to the changes on the price of its product. Calculate the slope for the regression equat

33 Over a 7 week period a company observed how sales changed

Solution

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