In exercise 20, data on x = price ($) and y = overall score for ten 42-inch plasma televisions tested by Consumer Reports provided the estimated regression equation yˆ =12.0169 =.0127x. For these data SSE = 540.04 and SST = 982.40. Use the F test to determine whether the price for a 42-inch plasma television and the overall score are related at the .05 level of significance.
Answer to relevant QuestionsIn exercise 18, the data on grade point average x and monthly salary y provided the estimated regression equation y = 1790.5 + 581.1x. a. Develop a 95% confidence interval for the mean starting salary for all students with a ...Health experts recommend that runners drink 4 ounces of water every 15 minutes they run. Although handheld bottles work well for many types of runs, all-day cross-country runs require hip-mounted or over-the-shoulder ...The following data show the annual revenue ($ millions) and the estimated team value ($ millions) for the 32 teams in the National Football League (Forbes website, February 2009). a. Develop a scatter diagram with Revenue on ...The Australian Public Service Commission's State of the Service Report 2002-2003 reported job satisfaction ratings for employees. One of the survey questions asked employees to choose the five most important workplace ...The Buyer's Guide section of the Web site for Car and Driver magazine provides reviews and road tests for cars, trucks, SUVs, and vans. The average ratings of overall quality, vehicle styling, braking, handling, fuel ...
Post your question