In a nationally representative large-scale sample of undergraduate business students was collected data on age, gender, mother's and father's education, grade in statistics and statistics class attendance (variable equal to 1 if they attended more than 50% of the classes and equal to 0 otherwise).
Students with a higher class attendance had, on average, a higher grade than those with a lower class attendance.
Select the correct option below.

Question

In a nationally representative large-scale sample of undergraduate business students was collected data on age, gender, mother's and father's education,  grade in statistics and statistics class attendance (variable equal to 1 if they attended more than 50% of the classes and equal to 0 otherwise). 
 Students with a higher class attendance had, on average, a higher grade than those with a lower class attendance. 
 Select the correct option below.

Answer

This is an observational study and we can conclude that attending the classes has, on average, a positive effect on the student’s grade, i.e., it causes, on average, a better grade.

Answer

This is a randomized experiment and we can conclude that attending the classes has, on average, a positive effect on the student’s grade, i.e., it causes, on average, a better grade.

Answer

None of the options is correct.

Answer

This is an observational study and we cannot conclude that attending the classes has, on average, a positive effect on the student’s grade, i.e., it causes, on average, a better grade.

Answer

This is a randomized experiment and we cannot conclude that attending the classes has, on average, a positive effect on the student’s grade, i.e., it causes, on average, a better grade.

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In a nationally representative large-scale sample of undergraduate business stud...

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