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 then dividing by how many numbers there are.

Front

What is the median in a data set?

Back

The median is the middle number in a sorted list of numbers. 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 data set?

Back

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

Front

What is the range of a data set?

Back

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

Front

How do you find the mean of 4, 8, 6, 5?

Back

Add the numbers: 4 + 8 + 6 + 5 = 23. Then divide by 4: 23 ÷ 4 = 5.75.

Front

What is the mode of the data set 2, 3, 4, 4, 5?

Back

The mode is 4, as it appears most frequently.

Front

If the numbers are 1, 2, 3, 4, 5, what is the median?

Back

The median is 3, as it is the middle number.

Front

What is another word for average?

Back

Mean.

Front

How do you calculate the range of 10, 15, 20, 25?

Back

Subtract the smallest number from the largest: 25 - 10 = 15.

Front

What is the median of the numbers 7, 9, 3, 5 when sorted?

Back

When sorted, the numbers are 3, 5, 7, 9. The median is the average of 5 and 7, which is 6.