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## The table below shows the monthly balances a person had on their credit card over a five-month period. Month Balance Janua

Question

The table below shows the monthly balances a person had on their credit card over a five-month period.

Month Balance

January -$50

February $25

March -$70

April -$45

May $25

What was the average monthly balance over the five-month period? Enter your answers and your explanations or work in the space provided.

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Mathematics
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2021-07-24T17:43:07+00:00
2021-07-24T17:43:07+00:00 1 Answers
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## Answers ( )

Answer:average monthly balance = $43

Step-by-step explanation:If we have a set of N numbers:

{x₁, x₂, x₃, …, xₙ}

The mean (or average) is calculated as:

Mean = (x₁ + x₂ + … + xₙ)/N

In this case, the values on the set are the balances for every month.

Then our set is:

{$50, $25, $70, $45, $25}

This is a set of 5 elements.

Then the average monthly balance is:

average monthly balance = ($50 + $25 + $70 + $45 + $25)/5 = $43

average monthly balance = $43