A Ph.D.candidate is collecting data about women in mathematics careers.She interviewed 200 female mathematicians and recorded the following data: number of years attending university,math classes taken in high school (algebra,geometry,etc. ),gender of high school math teacher,and high school average (in %).
A)Number of years attending university,quantitative,years;math classes taken in high school,categorical;gender of high school math teacher,quantitative,male or female;high school average,categorical.
B)Number of years attending university,quantitative,years;math classes taken in high school,categorical;gender of high school math teacher,categorical;high school average,quantitative,percentage.
C)Number of years attending university,quantitative,days;math classes taken in high school,categorical;gender of high school math teacher,categorical;high school average,quantitative,percentage.
D)Number of years attending university,quantitative,years;math classes taken in high school,categorical;high school average,quantitative,categorical.
E)Number of years attending university,quantitative,months;math classes taken in high school,quantitative,class;gender of high school math teacher,categorical;high school average,quantitative,percentage.

Question

Quizplus · Accepted Answer

The number of years attending university and high school average are both quantitative variables. The math classes taken in high school are categorical, while the gender of high school math teacher is also categorical. Therefore, choice B is the best option.

A PhDCandidate Is Collecting Data About Women in Mathematics Careers