Mean, Median, Mode, & Range

Front

What is the mode in a set of numbers?

Back

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

Front

How do you find the median of a data set with an odd number of values?

Back

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

Front

What do you do if a data set has an even number of values when finding the median?

Back

Add the two middle numbers together and divide by 2.

Front

How is the mean calculated?

Back

The mean is calculated by adding all the numbers in a data set and dividing by the total number of values.

Front

What is the range of a data set?

Back

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

Front

What is an example of a data set with a mode?

Back

In the data set 0, 1, 1, 2, 3, 4, the mode is 1.

Front

If the data set is 28, 18, 19, 18, 17, what is the mean?

Back

The mean is 20.

Front

What is the importance of understanding mean, median, mode, and range?

Back

These measures of central tendency and dispersion help summarize and analyze data.

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).

Front

What is the first step in calculating the mean?

Back

The first step is to add all the numbers in the data set.