Question: Based on a sample of n = 20, the least squares method was used to develop the following prediction line: i = 5 +

Based on a sample of n = 20, the least squares method was used to develop the following prediction line: ŷi = 5 + 3Xi. In addition,

Syx = 1.01-2 (Xi-X)2 = 20

a. Construct a 95% confidence interval estimate of the population mean response for X = 2. 

b. Construct a 95% prediction interval of an individual response for X = 2.

Syx = 1.01-2 (Xi-X)2 = 20

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