Mean, Median, Mode

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 total count of numbers.

Front

How do you calculate the mean of these numbers: 2, 57, 38, 42, 6?

Back

Add the numbers: 2 + 57 + 38 + 42 + 6 = 145. Then divide by the count of numbers (5): 145 / 5 = 29.

Front

What is the median of a set of numbers?

Back

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

Front

How do you find the median of these numbers: 6, 12, 16, 11, 8, 4, 1, 11, 4?

Back

First, sort the numbers: 1, 4, 4, 6, 8, 11, 11, 12, 16. The median is the middle number, which is 8.

Front

What is the mode of a set of numbers?

Back

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

Front

Can a data set have more than one mode?

Back

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

Front

How do you find the mode of these numbers: 1, 2, 2, 3, 4, 4, 4, 5?

Back

The mode is 4, as it appears most frequently (three times).

Front

What is the median of these numbers: 4, 2, 7, 4, 3?

Back

First, sort the numbers: 2, 3, 4, 4, 7. The median is 4, the middle number.

Front

How do you find the median of an even set of numbers: 12, 5, 9, 18, 22, 25, 5?

Back

Sort the numbers: 5, 5, 9, 12, 18, 22, 25. The median is 12, the middle number.

Front

What is the first step in calculating the mean?

Back

Add all the numbers in the set together.