Use the following table to answer each question. Using sigma notation find the mean water bill for the entire year. Round your answer to the nearest cent.

Using sigma notation find the mean water bill for the first 6 months of the year. Round your answer to the nearest cent.

Using sigma notation find the mean water bill from April through November. Round your answer to the nearest cent.

Step-by-step explanation:

Using table calculating the mean for each case

1. Entire year, sample size 12

2. First six months, sample size 6

3. April through November, sample size 8

for the first question it would be the second answer for the second question it would be the third answer and for the third question it would be the first answer

step-by-step explanation:

87%

step-by-step explanation:

apex answer