Statistics Range and IQR

Statistics Range and IQR

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Multiple Choice

What is the range of the data shown in the stem and leaf plot?

• 40

• 56

• 136

• 96

Multiple Choice

What is the minimum in this data set?

• 0
• 4
• 9
• 40

Multiple Choice

What is the range?

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

Multiple Choice

The first thing we do when we find the median is...

• add and divide

• nothing

• subtract each number

• order from least to greatest

Multiple Choice

Find the IQR (Q3 - Q1)  of the data

20, 22, 25, 29, 31

• 30
• 21
• 25
• 9

Multiple Choice

Find the lower quartile (Q1) of the following set of scores 6, 7, 8, 9, 11, 13, 15

• 13
• 7

• 9
• 6

Multiple Choice

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

Multiple Choice

Find the median, first quartile, third quartile, and interquartile range of the data.

203, 183, 212, 181, 157, 204, 189, 190

• Median: 189

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

Multiple Choice

Find the median, first quartile, third quartile, and interquartile range of the data.

32, 53, 72, 66, 47, 54, 49, 67, 71

• Median: 54

  First Quartile: 49

  Third Quartile: 67

  IQR: 18

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 21

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 22

• Median: 54

  First Quartile: 49

  Third Quartile: 69

  IQR: 20

Multiple Choice

Find the median.
7, 1, 1, 7, 1, 4, 1

• 4
• 7
• 1
• 5

Multiple Choice

What is the range of the scores?

• 20
• 25
• 30
• 35

Multiple Choice

What is the mode of the scores?

• 24
• 14
• 34
• 30

Multiple Choice

What is the median of the scores?

• 21
• 16
• 17
• 19

Multiple Choice

How many games did the team play?

• 15
• 12
• 24
• 14

Multiple Choice

How many scores are listed in this Stem and Leaf Plot?

• 3
• 6
• 9
• 18

Multiple Choice

What is the range of the data shown in the stem and leaf plot?

• 40
• 56
• 136
• 96

Multiple Choice

Calculate the interquartile range of the following data:

17, 18, 18, 19, 20, 21, 21, 23, 25

• 3

• 4

• 5

• 8

Multiple Choice

Calculate the interquartile range of the following 20 scores:

2, 3, 5, 7, 9, 11, 15, 17, 19, 20, 20, 21, 23, 30, 31, 32, 33, 35, 37, 40

• 38

• 20.5

• 17

• 21.5

Success Criteria: Complete the following

• Exercise 14.6

• Questions: 1,2 ,3a,b,6a,7

• Remember you MUST get above 80% for this quiz