Question

The amounts spent by 5 students on back to school supplies are $28.50, $25.75, $23.60, $30.20, and $25.00. Jenny spends $41.13 for her supplies. If the amount Jenny spends is included in the data, how will the mean be affected?

A) The mean decreases by $3.55
B) The mean increases by $2.42.
C) The mean increases by $2.54.
D) The mean increases by $1.55.

Answer 1

Answer:
B) The mean increases by $2.42

Btw. My answer was $2.40… B was the closest