The mean temperature for June was 70$\degree$F, for July it was 75$\degree$F, and for August it was 80$\degree$F. You should conclude that the overall mean for the three months is
A) 75$\degree$F
B) more than 75$\degree$F
C) less than 75$\degree$F.

Question

Quizplus · Accepted Answer

The overall mean is calculated by averaging the three monthly means: (70 + 75 + 80) / 3 = 75. Since the temperatures are increasing, the overall mean will be slightly more than 75 due to the higher weight of the later months.

The Mean Temperature for June Was 70 °\degree° F, for July It Was 75

The Mean Temperature for June Was 70 $\degree$ F, for July It Was 75