Measures of Central Tendency

Front

What is the mean of a data set?

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 find the median of a data set?

Back

To find the median, arrange the numbers in ascending order and identify 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 data set?

Back

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

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

Given the data set 4, 3, 15, 11, 3, 8, 7, 5, what is the mean?

Back

The mean is 6.875.

Front

Given the data set 16, 17, 18, 19, 20, 24, 31, 33, 36, 62, what is the mean?

Back

The mean is 27.6.

Front

What is the median of the data set 4, 7, 5, 9, 8, 6, 7, 7, 8, 5, 6, 9, 8, 5, 8, 7, 4, 7, 3, 6, 8, 9, 7, 6, 9?

Back

The median is 7.

Front

What is the mode of the data set 12, 10, 10, 10, 13, 12, 11, 13, 10?

Back

The mode is 10.

Front

If the highest score is 193 and the lowest score is 127, what is the range of Nicole's bowling scores?

Back

The range is 66.

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.