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A professor wanted to determine if there is a relationship between class attenda

ID: 3389432 • Letter: A

Question

A professor wanted to determine if there is a relationship between class attendance (X), and the student final grades (Y). He obtained the summarized data below about 18 students. summation x = 158, summation x^2 = 9850, summation y = 1425, summation y^2 = 38250, summation xy = 16540, SSSE = 10275 Use the above information to answer questions 1-3 1. Determine the least square prediction equation. Based on the regression model, estimate the attendance is 10. Can you conclude that there is a useful linear relationship between class attendance and the final grade in this class at alpha = 5%?

Explanation / Answer

A professor wanted to determine if there is a relationship between class attenda

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