2/28 (F) W7 Unit 7.1 Measures of Center and Variation

What is the mode?

• # happening the most
• the average
• biggest - smallest
• the middle #

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

A data set can have more than one median?

• True
• False

A data set can have more than one mode

• True
• False

How do you find the Interquartile Range?

• divide the 3rd quartile by the 1st quartile

• subtract the biggest number by the smallest number

• divide the biggest number by the smallest number

• subtract the 3rd quartile by the 1st quartile

Use desmos, to find the following stats.

Using this data and desmos, draw the boxplot.
[12,23,52,42,68,92,23]

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 94 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 94
• A score of 91 was slightly below average.

What is the outlier in this data set?

{23, 62, 35, 21, 25, 35, 29}

• 35

• 21

• 30

• 62

Select the (2) measures of CENTER.

• Mean

• Median

• IQR

• Standard Deviation