How large would the profits be

Assignment Help Basic Statistics

Reference no: EM131808895

Question: A linear regression analysis has produced the following equation relating profits to hours of managerial time spent developing the past year's projects at a firm:

Profits ¼ $957 + $85Number of hours

a. According to this estimated relationship, how large would the profits (or losses) be if no time were spent in planning?

b. On the average, an extra 10 h spent planning resulted in how large an increase in project profits?

c. Find the break-even point, which is the number of hours for which the estimated profits would be zero.

d. If the correlation is r¼0.351, what percentage of the variation in profits is explained by the time spent?

e. How much of the variation in profits is left unexplained by the number of hours spent? Write a paragraph explaining how much faith you should have in this prediction equation and discussing other factors that might have an impact on profits.

Reference no: EM131808895

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