Multiple linear regression results: Dependent 1|ul'arialarle: Price Independent 1|ul'arialnles]: Sq Feet, Bedrooms, Year Built Price = 2832535.4 +...

Question 1 is whether at least one slope is (significantly) different from zero, and if so, whether each of the individual slopes is different from zero, a 95% confidence interval for each slope. Also, Find the 95% confidence interval for the mean price of houses with an area of 2100 square feet, 4 bedrooms, and built in 2002; and a prediction interval of the price of a house with an area of 2100 square feet, 4 bedrooms, and built in 2002.