- The Following Dataset Shows Retail Sales In Certain Drug Store Chains In Billions Of Dollars As A Function Of The Year 1 (29.06 KiB) Viewed 25 times
The following dataset shows retail sales in certain drug store chains (in billions of dollars) as a function of the year
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The following dataset shows retail sales in certain drug store chains (in billions of dollars) as a function of the year
The following dataset shows retail sales in certain drug store chains (in billions of dollars) as a function of the years since 1995 (year 0 - 1995, year 3 - 1998, etc.) Use the sales data displayed in the table below: Year 0 3 6 Retail Sales 26.926 148.442 165.727 176.199 192.586 234.539 9 12 15 a) Find the regression equation for this dataset. Enter the coefficients (slope and intercept) into the equation below. Express your answers to 3 decimal places b) Find the coefficient of determination. R Express your answer to 3 decimal places c) What does the regression equation predict for the retail sales after 1 years? predicted value Express your answer to 2 decimal places
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