Data on the amount of time spent studying for a particular exam at a high school were collected for 150 students.You want to know half of the students spent at least how much time studying for that exam.Which of the following would you compute?
A)Arithmetic mean.
B)Median.
C)Coefficient of variation.
D)Coefficient of correlation.

Question

Quizplus · Accepted Answer

To find out the amount of time that at least half of the students spent studying, we need to compute the median. The median is the middle value in a dataset when it is ordered from lowest to highest, so it represents the value that splits the dataset in half. The arithmetic mean and coefficient of variation would not give us this information, and the coefficient of correlation is not relevant here as we don't have two variables to compare.

Data on the Amount of Time Spent Studying for a Particular