Choosing Mean or Median

What measure of center is best to use when we have outliers?

• mean

• median

• mode

• range

Which measure of central tendency is most appropriate for a data that describes the heights of grade 5 students?

• Mode

• Outlier

• Mean

• Median

Describe a real-life situation where the median is a more appropriate measure of central tendency than the mean and mode.

• When the data is evenly distributed

• In a situation where there are no outliers

• When the data is highly skewed

• In a real-life situation where the data contains extreme outliers.

What measure of central tendency (mean, median or mode) would be best for the following set of data?
0, 89, 92, 97, 99, 100

• Mode, because it is the one that shows up the most.

• Median, because there is an outlier.  The outlier could be incorrect and would influence the mean too much.

• Mean, because there is not an outlier.  You should always use the mean.

• There is not a best measure of central tendency for this data.

Which measure would you use to find the average time taken to read a book?

• mode

• median

• mean

• range

Which measure would you use to find the average weight of apples collected from a tree?

• mode

• median

• mean

• range

A survey asked 6th graders their favorite lunch and got the following results:

Pizza: 150

Nachos: 75

Spaghetti: 25

What is the best measure of central tendency to represent this data?

• Mean

• Median

• Mode

• Range

When analyzing numerical data, the best measure of center with NO outlier is:

• mean

• median

• mode

• range

The number that is in the middle of a set of data ordered from smallest to largest.

• Mean

• Median

• Mode

• Range

The value found by adding up a set of data points and dividing by the total number of points.

• Mean

• Median

• Mode

• Data