Mean, Median, Mode

Front

What is the mean of a data set?

Back

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

Front

What is the median of a data set?

Back

The median is the middle value of a data set when the numbers are arranged in order from least to greatest.

Front

What is the mode of a data set?

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 multiple modes if multiple numbers appear with the same highest frequency.

Front

How do you find the median of an even set of numbers?

Back

For an even set, the median is the average of the two middle numbers after arranging the data in order.

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

If the data set is 4, 2, 7, 4, 3, what is the median?

Back

The median is 4.

Front

If the data set is 12, 5, 9, 18, 22, 25, 5, what is the median?

Back

The median is 12.

Front

How do you calculate the mean of the numbers 5, 10, 15?

Back

Add the numbers (5 + 10 + 15 = 30) and divide by the count (3), so the mean is 10.

Front

What happens to the mean if you add a very large number to a data set?

Back

The mean will increase, as it is affected by all values in the data set.