Mean, Median, Mode, Range, IQR

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

What is the median?

Back

The median is the middle value in a set of numbers when they are arranged in order. If there is an even number of values, 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 set of numbers.

Front

What is the range?

Back

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

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set, representing the middle 50% of the data.

Front

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

Back

To find the mean, add all the numbers together and divide by the total count of numbers.

Front

How do you find the median in an odd set of numbers?

Back

To find the median in an odd set, arrange the numbers in order and select the middle number.

Front

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

Back

To find the median in an even set, arrange the numbers in order and calculate the average of the two middle numbers.

Front

How do you find the mode in a set of numbers?

Back

To find the mode, identify the number that appears most frequently in the set.

Front

How do you calculate the range of a data set?

Back

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