My electric bills for June, July, and August last summer were 75, 75, and 150, respectively. What was the mean amount for the three bills?
a. 75 c. 125
b. 100 d. 150
Question 2
What is the mean for the following sample of scores? Scores: 1, 4, 5, 6
a. 16 c. 4.5
b. 8 d. 4