# Question

Thirty observations were used to estimate y = β0 + β1x1 + β2x2 + . A portion of the Excel results is as follows:

a. What is the point estimate for β1? Interpret this value.

b. What is the sample regression equation?

c. If x1 = 30 and x2 = 20, what is?

a. What is the point estimate for β1? Interpret this value.

b. What is the sample regression equation?

c. If x1 = 30 and x2 = 20, what is?

## Answer to relevant Questions

Forty observations were used to estimate y = β0 + β1x1 + β2x2 + . A portion of the regression results is shown in the following table.a. What is the point estimate for β1? Interpret this value.b. What is the sample ...A realtor in Arlington, Massachusetts, is analyzing the relationship between the sale price of a home (Price), its square footage (Sqft), the number of bedrooms (Beds), and the number of bathrooms (Baths). She collects data ...In a multiple regression with two explanatory variables, the following intermediate data are given: n = 50, Σ(yi - )2 = 35 , and Σ(yi - )2 = 90.a. Calculate the standard error of the estimate.b. Calculate the coefficient ...The director of college admissions at a local university is trying to determine whether a student’s high school GPA or SAT score is a better predictor of the student’s subsequent college GPA. She formulates two ...In a simple linear regression based on 30 observations, it is found that b1 = 7.2 and se(bj) = 1.8. Consider the hypotheses: H0: β1 ≥ 10 and HA: β1 < 10.a. At the 5% significance level, find the critical value(s).b. ...Post your question

0