A random sample of 79 companies from the Forbes 500 list (which actually consist

Question

A random sample of 79 companies from the Forbes 500 list (which actually consists of nearly 800 companies) was selected, and the relationship between sales (in hundreds of thousands of dollars) and profits (in hundreds of thousands of dollars) was investigated by regression. The following results were obtained from statistical software. R2 = 0.662 s = 466.2 Variable Parameter estimate Standard error Constant –176.644 61.16 Sales 0.092498 0.0075 What is approximately the value of the intercept of the least-squares regression line?

a 61.16

b 0.0075

c - 176.64

Explanation / Answer

What is approximately the value of the intercept of the least-squares regression line?

the intercept of the least squre regression line is the value of Sales that is 0.0075

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