Appropriate Measures of Central Tendency

Kayte took a sample of 50 pieces of data.  She added up all of the pieces of data and then divided by 50.  What measure of center is she working on?

• Mean

• Median

• Mode

• Range

Which measure of central tendency best represents this set of data:
3, 18, 2, 0, 1, 0, 2, 1

• Mean

• Median

• Mode

• Range

The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?

• Only the range was affected.

• The median increased, and the range increased.

• The mean increased, and the range increased.

• The mean decreased and the range increased.

Which measure of central tendency best represents this set of data:
3, 4, 5, 4, 5

• Mean

• Median

• Mode

• Range

Match the following vocabulary with the definitions

• Range

• the average of values, sum of all values divided by how many values

• Median

• the most frequently occurring value(s)

• Mean

• the difference between the largest and smallest values in a data set

• Mode

• the middle value, when the data is ordered from least to greatest

What is the MEDIAN of this data?

• 65

• 40

• 915

• 13

The table shows the heights of six basketball

players who play for the LI Lightning.

What is the median height?

• 130 cm

• 141 cm

• 147 cm

• 159 cm

• 140 cm

Match the circumstances within the data set to determine which measure of central tendency would be the most appropriate.

• Median

• There are no outliers

• Mean

• There are outliers or

  The middle of the data does not contain big gaps

• Mode

• The data has many repeated values or

  The data is qualitative (categorical)

What is the median?

• 15

• 30

• 21

• 27.5

Match the following to the correct number.

Data Set: 1, 2, 2, 8, 9, 20

• 2

• Median

• 7

• Range

• 5

• Mean

• 19

• Mode

• 20

• Outlier