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An architect wants to determine the relationship between the heights (in feet) of a building and the number of stories in the building. The data

An architect wants to determine the relationship between the heights (in feet) of a building and the

number of stories in the building. The data for a sample of 10 buildings are shown below. Explain

the relationship.

Stories 64 54 40 31 45 38 42 41 37 40

Height 841 725 635 616 615 582 535 520 511 485

Requirements:

a. Find the linear correlation coefficient for the data.

b. What is the significance of the value found in part a?

c. Find the equation of the least-squares line.

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