Mean, Median, Mode

Front

What is the 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 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 mode?

Back

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

Front

How do you find the range of a set of numbers?

Back

The range is found by subtracting the smallest number from the largest number in the set.

Front

What is the formula to calculate the mean?

Back

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

Front

If the numbers are 4, 8, 6, 5, what is the median?

Back

The median is 5.

Front

What is the mode of the numbers 1, 2, 2, 3, 4?

Back

The mode is 2.

Front

Find the mean of the following numbers: 10, 20, 30, 40.

Back

The mean is 25.

Front

What happens if all numbers in a data set are the same?

Back

The mean, median, and mode will all be equal to that number.

Front

How do you find the median of the numbers 3, 1, 4, 2?

Back

First, sort the numbers: 1, 2, 3, 4. The median is (2 + 3) / 2 = 2.5.