mean. median, range

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 count of numbers.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the numbers in the data set and then divide by the total number of items.

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

How do you find the median of a data set?

Back

To find the median, first sort the numbers in ascending order, then identify the middle number.

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 calculate the range?

Back

To calculate the range, subtract the smallest number from the largest number in the data set.

Front

What is the mode?

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 be bimodal (two modes) or multimodal (more than two modes) if multiple numbers appear with the same highest frequency.

Front

What is a data set?

Back

A data set is a collection of numbers or values that can be analyzed.

Front

What does it mean if the mean is greater than the median?

Back

If the mean is greater than the median, it suggests that the data set may be skewed to the right, with some high values pulling the mean up.