mean

Front

What is the definition of mean in statistics?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

How do you calculate the mean of a set of numbers?

Back

To calculate the mean, sum all the numbers in the set and then divide by the total number of values.

Front

What is the mean of the following set of numbers: 10, 4, 5, 9?

Back

The mean is 7.

Front

What is the mean of the following set of numbers: 4, 5, 5, 2, 3, 3, 2, 8?

Back

The mean is 4.

Front

What is the mean of the following set of numbers: 7, 13, 6, 2?

Back

The mean is 7.

Front

When adding or subtracting fractions, what do you never add or subtract?

Back

You never add or subtract the denominators.

Front

What must you find when the denominators of fractions are not the same?

Back

You must find a common denominator.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

Why is it important to find a common denominator when adding or subtracting fractions?

Back

It is important to find a common denominator to ensure that the fractions are expressed in the same terms, allowing for accurate addition or subtraction.

Front

What is the formula for calculating the mean?

Back

Mean = (Sum of all values) / (Number of values).