Appropriate Measures of Central Tendency and Variability

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

• Mean

• Median

• Mode

• Range

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

• Mean

• Median

• Mode

• Range

Which measure of central tendency best represents this set of data:
13, 13, 11, 13, 13, 12, 13

• Mean

• Median

• Mode

• Range

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

The ​ (a)   is the sum of all the numbers, divided by how many numbers were added together. The ​ (b)   is the middle number when the numbers are put in order. The ​ (c)   is the most common number. The ​ (d)   is the difference between the maximum and minimum values.

• mean

• median

• mode

• range

Match the following from the data set:

• 15

• Range

• 21

• Mean

• 20

• Median

• 16

• Mode

The (a)   is the average of a data set.

The ​​ (b)   is the middle of a data set.

The​ ​ (c)   is the number that appears most often in a data set.

The​ ​ (d)   is the difference between the biggest and the smallest number in a data set.

The ​ (e)   is the difference between Q3 and Q1 in a data set.

• mean

• interquartile range (IQR)

• median

• mode

• range

The ​ ​​ (a)   is found by adding all numbers in a set and dividing by how many numbers there are.

The ​ ​ (b)   is found by subtracting the highest and lowest.

The ​ (c)   is the number(s) that occurs the most often.

The ​ (d)   is the middle number.

• mean

• range

• mode

• median

• lower quartile

• upper quartile

Which measure of variability should you use?

• IQR

• standard deviation

Which measure of variability should you use?

• IQR

• standard deviation