Statistics

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

• 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

Is the following question statistical or non statistical?
How many cars are in the parking lot?

• Statsitical
• Non Statistical

Is the following question statistical or non statistical?
What pets does our class have?

• Statistical
• Non statistical

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 mode?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

What is the mean?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

What is the Median?
8,13,2,4,48

• 8
• 48
• 2
• 9

To find the average of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items