Average – Definition, Symbol, Formula and Solved Examples

# Average – Definition, Symbol, Formula and Solved Examples

## Explain in Detail :Average Symbol:

The average symbol is a mathematical notation used to indicate the arithmetic mean of a set of numbers. The average symbol is typically represented by the Greek letter “mu” (μ). The average symbol is used to calculate the mean of a set of numbers, which is a measure of the central tendency of a set of data. The mean is calculated by adding up all of the numbers in a set and dividing by the number of items in the set.

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## Average Formula in Maths:

The average formula in maths is the sum of the values divided by the number of values. This is also represented as the average of a set of numbers.

## What is the Average of Negative Numbers?

The average of negative numbers is zero.

## What is the Difference Between Mean and Average?

The mean is the sum of a set of numbers divided by the number of items in the set. The average is the mean of a set of numbers that has been normalized by dividing by the number of items in the set.

## Questions to be Solved (Average Examples):

1. How much money will be in the account at the end of 10 years if \$1,000 is deposited at the beginning of each year?

2. A plumber charges \$25 for a service call plus \$50 per hour of service. What will the total cost be for 8 hours of work?

3. If Tommy has a savings account with an annual interest rate of 4%, how much money will be in the account at the end of two years if he deposits \$1,000 at the beginning of each year?

4. A new car costs \$25,000. If the car is financed at an annual interest rate of 4%, how much will the borrower have to pay each month for 60 months?

5. A can of paint costs \$15. If the paint is discounted 20%, how much will the purchaser pay for the paint?

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