Mean, Median, Mode, & Range

Front

What is the mean of a set of numbers?

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 find the median of a set of numbers?

Back

To find the median, first sort the numbers in ascending order. If there is an odd number of values, the median is the middle number. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode of a set of numbers?

Back

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

Front

What is the range of a set of numbers?

Back

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

Front

What is the first step in calculating the mean?

Back

The first step in calculating the mean is to add all the numbers in the set together.

Front

If the numbers are 28, 18, 19, 18, and 17, what is the mean?

Back

The mean is 20.

Front

True or False: The data must be sorted to find the median.

Back

True.

Front

What do you do if there are two middle numbers when finding the median?

Back

Add the two middle numbers together and divide by 2.

Front

What is the formula for calculating the mean?

Back

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

Front

Can a set of numbers have more than one mode?

Back

Yes, a set of numbers can have more than one mode if multiple numbers appear with the same highest frequency.