Question

Sally, Sheree, Jim, and Gary each sample a group of students from their school and weigh them. The four sample means they obtain are:
Sally's sample: 114 lbs
Sheree's sample: 118 lbs
Jim's sample: 112 lbs
Gary's sample: 116 lbs

According to the school nurse, who has the weights for every student, the average weight schoolwide is 119.2 lbs. Whose sample was MOST LIKELY the largest?
A)
Jim's
B)
Gary's
C)
Sally's
D)
Sheree's

Answer 1

D. Sheree's

because the larger the sample you take, the more likely you are to receive an accurate mean measurement of the entire student body

Answer 2

And sheree's was closest to the actual mean weight