Appropriate Measures of Central Tendency and Variation

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

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

Your math grades are 90, 85, 58, 90, 80, 100, and 90.  Which grade is the outlier?

• 90
• 58

What is the range of the set of data?

• 70
• 65
• 80
• 55

The following numbers were the result of data collected when students were asked how many pets they had in there home:

0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 4, 6

What is the range of the data?

• 1.9

• 6

• 5

• 2

Below is a table of the points Jeff scored in his basketball games.

State which of these measures of central tendency best represents Jeff’s points scored. Justify your answer.

• mean

• median

• mode

Which measure is the same in both classes?

• Median

• Lower Quartile

• Range

• Interquartile Range

If a dataset contains the numbers 100, 200, 300, 400, and 5000, which measure of central tendency is most affected by the outlier?

• Mean

• Median

• Mode

• All of the above

What does the average (mean) represent in a dataset?

• The middle value of the dataset

• The most frequently occurring value

• The sum of all values divided by the number of values

• The difference between the highest and lowest values