Question: Suppose you fit the first-order multiple regression model Y = B 0 + B 1 X 1 + B 2 X 2 + e to

Suppose you fit the first-order multiple regression model

Y = B0+ B1X1+ B2X2+ e

to n = 25 data points and obtain the prediction equation

Y = 21.25+ 2.96X1+ 2.3X2

The estimated standard deviations of the sampling distributions of B1and B2are 0.50 and 0.33, respectively.

a. Test H0: B1= 0 against Ha: B1> 0. Use Alpha = 0.10.

to find this out determine test statistic and P-value

b. Find a 95% confidence interval for B1.

c. Interpret the interval.

We are ___% confident that the true value of B2 lies in this interval

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