Mean Median Mode Range Outlier

A teacher has recorded the scores of a recent test. 10 62 75 88 90 92 95 98 98 100 How does excluding the outlier affect the mean of these test scores?

• Excluding the outlier increases the mean by 10.

• Excluding the outlier increases the mean by 8.

• Excluding the outlier decreased the mean by 10.

• Excluding the outlier decreased the mean by 8.

What is the range of the data shown?

• 85

• 90

• 80

• 70

A Math teacher has recorded the scores of a recent quiz worth 20 possible points. 0,5,5,5,5,10,10,10,15,16,18,20,20,20 If the teacher wants to represent the results as negatively as possible, which measure of central tendency should be used?

• The mean

• The median

• The mode

The list shows the number of licenses issued every year to lobster boats in Massachusetts for a five-year period.

551, 554, 529, 534, 530

What is the range of this data?

• 534

• 540

• 21

• 25

The last 6 days the high temperatures in Temple were 84, 83, 81, 80, 85, and 79. What is the median of these temperatures?

• 81

• 82

• 83

• 84

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

• 127

• 155

• 156

• 193

Which class has the higher test score median? 

• Class #1

• Class # 2 

• The medians are equal

• The median is not shown here. 

What is the term for the median of the lower half of the data?
Hint: Look at your notes!

• Lower Quartile

• Upper Quartile

• Median

• Maximum

What is the range?

• average

• biggest-smallest

• the middle #

• # happening the most

In order to find the median, the data must be sorted from least to greatest first.

• True

• False