QUESTION 3 Different foods have a different number of calories. The size in grams of an average serving and the weight o

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Question 3 Different Foods Have A Different Number Of Calories The Size In Grams Of An Average Serving And The Weight O 1 (26.53 KiB) Viewed 68 times

QUESTION 3 Different foods have a different number of calories. The size in grams of an average serving and the weight of the contestant in lose weight program is being studied. The simple linear regression and correlation analysis is performed in a sample of 9 observations and give the results as below: SSxx = 8400 SSyy = 1067.68 a = 30.134 b = 0.2867 (a) Develop the equation of the simple linear regression line for this data. Then, give a brief interpretation of the values of the linear correlation coefficient, the intercept and the slope. (b) Test the hypothesis that the slope would be positive at the 10% significance level by showing your solution. (c) Construct an 80% confidence interval for B. Interpret your answer.