One Variable Stats

The mean is

• The middle score

•  Total & divided by number of scores

• The most frequent score

• The middle when in order

The median is

• The middle score

•  Scores added & divided by the number of scores

• The most frequent score

• The middle when in order

The two measures of center we've study this unit are...

• Interquartile Range

• Mean Absolute Deviation

• Mean

• Median

• Standard Deviation

Find the median of these numbers:
4, 2, 7, 4, 3

• 2

• 5

• 7

• 4

Which car club has the higher median?

• Cruisers

• Car Hops

What is the maximum value?

• 3

• 8

• 10

• 18

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

• 20

• 25

• 5

• 10

According to the table, what is the relative frequency of Students ages 14 - 17 who skip breakfast?

• About 27%

• About 35%

• About 15%

• About 30%

What percent of people who play an instrument do not play a team sport?

• 80%

• 27.2%

• 40%

• 90.1%

Which of these percentages represent a marginal frequency

• 37%

• 62%

• 31%

• 56%

• 6%