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 (X) and how many children they have living with them (Y). 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 Explain what b tells you in the regression equation above. For each additional missed class, they are expected to have an additional 30 children living with them. O For each additional missed class, they are expected to have an additional .90 children living with them. For each additional child a student has living with them, they are expected to miss an additional.30 classes For each additional child a student has living with them, they are expected to miss an additional.90 classes

Explanation / Answer

b is 0.9, this means that for each additional student , the classes missed increase by 0.9. thus D

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