ATH 10800- Fall17-TREHAN > Activities and Due Dates HW 10-Introduction to Regres

Question

ATH 10800- Fall17-TREHAN > Activities and Due Dates HW 10-Introduction to Regression Assignment Score: 13.9% Hint Check Answer Question 8 of 13 Suppose Ms. Carr is interested in the relationship between her students' 9th grade math final exam scores and the number of hours they spent studying during the year. She collects information for 15 ninth grade students and uses it to obtain the regression equation, where x is the number of hours spent studying during the year and yis the predicted final exam score. 120 100 y^= 1.48x + 75.64 The scatter plot displays her results. SO15 20 25 30 35 Study time in hours MacBook Air

Explanation / Answer

Solution:

Y =1.48x+75.64

Since x=13 hours then,

Y=1.48*13+75.64

=94.38

Interpretation:

The predicted final math test score if a student studies 13 hours during the year.

Cheers!!

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