Mean median mode and range

Front

What is the definition of Mean?

Back

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

Front

What is the definition of Median?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What is the definition of Mode?

Back

The mode is the number that appears most frequently in a data set.

Front

What is the definition of Range?

Back

The range is the difference between the largest and smallest numbers in a data set.

Front

How do you calculate the Mean of the numbers 5, 11, 2, 12, 4, 2?

Back

Add all the numbers: 5 + 11 + 2 + 12 + 4 + 2 = 36. Then divide by the count of numbers (6): 36 / 6 = 6.

Front

How do you find the Median of the numbers 7, 9, 7, 8, 3, 2, 3, 9, 6?

Back

First, sort the numbers: 2, 3, 3, 6, 7, 7, 8, 9, 9. The median is the middle number, which is 7.

Front

How do you find the Mode of the numbers 7, 14, 20, 3, 7, 14, 2, 14, 7?

Back

The mode is 7 and 14, as both appear most frequently.

Front

What is the formula for calculating Range?

Back

Range = Largest number - Smallest number.

Front

If a data set has no repeating numbers, what is the Mode?

Back

If there are no repeating numbers, the data set has no mode.

Front

What happens to the Mean if you add a new number that is larger than the current Mean?

Back

The Mean will increase.