Among the following, select ALL the research questions that can be answered by S

Question

Among the following, select ALL the research questions that can be answered by Single Linear Regression. We want to study the relationship between BMI and presence of diabetes (coded as 0 = no diabetes, 1 = diabetes). We want to predict the DC output from a windmill for a given wind velocity, after every Monday for one year. Based on a random sample of 50 students, we want to know if the grade point average increases with the number of hours spent studying during the semester. We have data about 100 patients hospitalized due to meningitis and treated with penicillin. We want to know if the treatment has been successful (i.e. if after 3 days the body temperature was decreased) in at least the 60% of the patients.

Explanation / Answer

Since want to study the relationship between the BMI and presence of diabetes so regression can be used.

In second since reseacher want to predict the DC output from windmill for a given velocity so regression can be used.

In third one, you need to find the relation between grade point and number of hours studying so regression can be used.

In the fourth one regression cannot be used.

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