# Question

Refer to the previous exercise.

a. Explain what the regression parameter β means in this context.

b. Construct and interpret a 95% confidence interval for β.

c. Use the result of part b to form a 95% confidence interval for the difference in the mean selling prices for homes with x = 4 bedrooms and with x = 2 bedrooms.

a. Explain what the regression parameter β means in this context.

b. Construct and interpret a 95% confidence interval for β.

c. Use the result of part b to form a 95% confidence interval for the difference in the mean selling prices for homes with x = 4 bedrooms and with x = 2 bedrooms.

## Answer to relevant Questions

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