Mean Median Mode Range Outlier

• Skewed Left
• Skewed Right
• Uniform
• Symmetric

What is the interquartile range (IQR) of the data set?

• 20

• 25

• 5

• 10

• The box-and-whisker plot is correct.

• The value of the Q3 is incorrect.

• The value of the Q1 is incorrect.

• The median is incorrect.

Find the Median

• 98

• 93

• 78

• 85

Which of the following lists all parts of the five number summary?

• Mean, Median, Mode, Range, and Total

• Minimum, Quartile 1, Median, Quartile 3, and Maximum 

• Smallest, Q1, Q2, Q3, and Q4

• Minimum, Maximum, Range, Mean, and Median

On a recent test, a statistics professor finds that the mean and median scores are nearly equal. Which of the following could be the distribution of test scores?

• 
• 
• 

Which club has the smaller spread, less variation?

• Cruisers

• Car Hops

If we use the median to measure the typical value or center of the data, we would use the _________ to measure the variability.

• Mode

• MAD

• Standard Deviation

• IQR or Interquartile Range

The following values were recorded. How does excluding the outlier affect the mean of these values?

• Excluding the outlier increased the mean by 73

• Excluding the outlier increased the mean by 62

• Excluding the outlier decreased the mean by 73

• Excluding the outlier decreased the mean by 62

A Math teacher has recorded the scores of a recent quiz worth 50 possible points. 0,0,16,18,19,25,25,27,28,28,37,38,40,45,45,47,48,50,50 If the teacher wants to represent the results as positively as possible, which measure of central tendency should be used?

• The mean

• The median

• The mode