. You use the utility company’s budget plan for paying your home heating bills. You pay $75 per month for 9 months. Your actual bills are: $28.95, $46.15, $68.46, $109.34, $115.26, $94.19, $75.66, $51.97, $49.16. Compute the average for 9 months.

$71.01

Explanation:

An average is a number expressing the central or typical value in a set of data, in particular the mode, median, or (most commonly) the mean, which is calculated by dividing the sum of the values in the set by their number.

Given

September, $28.95;

October, $46.15;

November, $68.46;

December, $109.34;

January, $115.26;

February, $94.19;

March $75.66;

April, $51.97; and

May, $49.16.

Step two:

Total amount= 28.95+46.15+68.46+109.34+115.26+94.19+75.66+51.97+49.16= 639.14

Total number of monts= 9

Average= 639.14/9

Average= $71.01

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