Mean Median Mode and Range

Front

What is the definition of mean in statistics?

Back

The mean, or average, is the sum of all values in a data set divided by the number of values.

Front

How do you calculate the mean of a data set?

Back

Add all the numbers in the data set together and then divide by the total number of values.

Front

What is the definition of median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in ascending or descending order.

Front

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

Back

Arrange the numbers in order and select the middle number.

Front

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

Back

Arrange the numbers in order and calculate the average of the two middle numbers.

Front

What is the definition of mode in statistics?

Back

The mode is the value 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 (multiple modes) if multiple values appear with the same highest frequency.

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 data set?

Back

Subtract the smallest value from the largest value.

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.