Statistics: Mean, Median, Mode, and Range

Front

What is the definition of mean in statistics?

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 set of numbers?

Back

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

Front

What is the definition of median in statistics?

Back

The median is the middle value in a list of numbers sorted in ascending or descending order.

Front

How do you find the median of a set of numbers with an odd count?

Back

To find the median, sort the numbers and select the middle number.

Front

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

Back

To find the median, sort the numbers and calculate the average of the two middle numbers.

Front

What is the definition of mode in statistics?

Back

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

Front

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

Back

To find the mode, identify the number that occurs most often in the data set.

Front

What is the definition of range in statistics?

Back

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

Front

How do you calculate the range of a set of numbers?

Back

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

Front

What is the relationship between mean, median, and mode in a normal distribution?

Back

In a normal distribution, the mean, median, and mode are all equal.