# Question: For a multiple regression which statement is false Explain a

For a multiple regression, which statement is false ? Explain.

a. If R2 = .752 and R2adj = .578, the model probably has at least one weak predictor.

b. R2adj can exceed R2 if the model contains some very strong predictors.

c. Deleting a predictor could increase the R2adj but will not increase R2.

a. If R2 = .752 and R2adj = .578, the model probably has at least one weak predictor.

b. R2adj can exceed R2 if the model contains some very strong predictors.

c. Deleting a predictor could increase the R2adj but will not increase R2.

**View Solution:**## Answer to relevant Questions

In this regression with n = 40, which predictor differs significantly from zero at α = .01? a. X2 b. X3 c. X5 Which statement is incorrect? Explain. a. Correlation uses a t-test with n – 2 degrees of freedom. b. Correlation analysis assumes that X is independent and Y is dependent. c. Correlation analysis is a test for the degree ...Which statement is false? Explain. a. To find probabilities in a continuous distribution, we add up the probabilities at each point. b. A uniform continuous model U(5,21) has mean 13 and standard deviation 4.619. c. A ...Which statement is incorrect? Explain. a. The triangular always has a single mode. b. The mean of the triangular is (a + b + c)/3. c. The triangular cannot be skewed left or right. Which statement is correct? Why not the others? a. The level of significance is the probability of committing Type I error. b. As the sample size increases, critical values of t.05 increase, gradually approaching z.05. c. ...Post your question