The means of the grade point averages of four samples taken from a population of students are shown in the table below. Which of these is most
likely closest to the mean grade point average of the population?
Sample Size Sample Mean
10
3.34
20
3.51
30
3.39
40
3.42
A. 3.51
O B. 3.39
Ο Ο Ο Ο
C. 3.42
OD. 3.34