( a) Find an equation of the least squares regression line. Show all work; writing the correct equation, without supporting work, will receive no credit.
( b) Based on the equation from part( a), what is the predicted final exam score if the average quiz score is 90? Show all work and justify your answer
20. A study of 10 different weight loss programs involved 500 subjects. Each of the 10 programs had 50 subjects in it. The subjects were followed for 12 months. Weight change for each subject was recorded. We want to test the claim that the mean weight loss is the same for the 10 programs
( a) Complete the following ANOVA table with sum of squares, degrees of freedom, and mean square( Show all work)
( b) Determine the test statistic. Show all work; writing the correct test statistic, without supporting work, will receive no credit.
( c) Determine the P-value. Show all work; writing the correct P-value, without supporting work, will receive no credit.
( d) Is there sufficient evidence to support the claim that the mean weight loss is the same for the 10 programs at the significance level of 0.05? Explain