SAME STUDY: As a student, you want to know why some of your classmates miss more

Question

SAME STUDY: As a student, you want to know why some of your classmates miss more class than others. You wonder if students with more dependents (children or others who live with you and require your care) tend to miss more classes. You collect data on a random sample of n 102 NSC students (taking the same number of credit hours) using a survey that asks them how many classes they missed last semester and how many children they have living with them. Based on the data, you compute the correlation coefficient and regression equation below. You also find that both are statistically significant (a-05). Correlation: r.70 Regression Equation:90X.30 Use the regression equation above to predict the number of classes a student will miss in a semester if they have 3 dependents. O 0 0 1 o 2

Explanation / Answer

y=0.90x+0.30

x is 3 then putting the value in the regression equation gives the value of y as 0.90*3=0.3=3

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