Unit 5 Review

Front

What is the range in a data set?

Back

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

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 value. 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 value that appears most frequently in a data set.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the numbers together and divide by the total number of values.

Front

What is the formula for calculating the range?

Back

Range = Maximum value - Minimum value.

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.

Front

How do you identify the median in an odd-numbered data set?

Back

In an odd-numbered data set, the median is the middle number after sorting the data.

Front

How do you identify the median in an even-numbered data set?

Back

In an even-numbered data set, the median is the average of the two middle numbers after sorting the data.

Front

What is a data set?

Back

A data set is a collection of related values or observations.

Front

What is the significance of the mean in statistics?

Back

The mean provides a measure of central tendency, representing the average of a data set.