Investigating Data and Statistical Reasoning

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

Look at the dot plot. Notice there are spaces between the groups of data. What do we call those spaces?

• Outliers

• Clusters

• Gaps

What is the outlier of this data?

• 60

• 100

• 80

• 90

Each dot represents 1 day. How many days were recorded?

• 9

• 21

• 20

• 105

What was the day with the least amount of cars sold? 

• Monday

• Tuesday

• Wednesday

• Thursday

Identify the cluster of the data.

• 2 - 4

• 1 - 4

• 6 - 9

• 8 - 9

Identify the outlier of the data.

• 9

• 6

• 8

• 2