Write down the least square regression line

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Trying to avoid over- or under-allocating labour hours in a particular moving job, the manager of a moving company would like to develop a better method of predicting labour hours (Hours; measured in hours) by using the size of the apartment (Feet; measured in cubic feet) moved. A random sample of 36 moves in the past year was randomly selected in the borough of Manhattan in New York City.

a) Use Excel to provide a scatterplot.

b) Use Excel to produce a Regression output.

c) Can we conclude that there is a significant correlation between the moving hour and size of all moves in Manhattan? Make sure you use the three-step process and an appropriate decision point to answer this question.

d) Write down the least square regression line.

e) Provide an interpretation of the slope estimate.

f) Provide an interval estimation when the size of the move is 900 square feet, with 95% confidence level.

Reference no: EM132892474

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