Measures of Variation

What is the median?

• The number in the middle

• The difference between the highest and lowest values

• The number that occurs the most

• The average

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

When finding the median what is the FIRST step?

• Mark off the lowest number

• Mark off the highest number

• Find the Middle

• Arrange the number from Least to Greatest

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.B.4

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

• 193

• 127

• 60

• 66

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.NS.C.7

calculate the median for the following set of scores

45, 69, 69, 87, 88, 92, 99, 100

• 87
• 55
• 87.5
• 99

Tags

CCSS.7.EE.B.3

find the lower quartile of the following set of scores

12, 9, 4, 6, 5, 8, 9, 4, 10, 2

• 10
• 4
• 9
• 6

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Calculate the interquartile range of the following data

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

• 3
• 4
• 5

  
  

• 8

  
  

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Find the interquartile range using the following data.
18, 15, 22, 16, 17, 15, 12, 22, 13

• 34
• 16
• 6
• 10

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Order the data and find the Q₁
2,3,3,3,4,4,4,5,5,5,5,6,6,6,6,6,7,7,8,8,8,9,9

• 3
• 4
• 5
• 6

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

Find the Lower Quartile of the following numbers:
84, 88, 72, 74, 98, 16, 94 

• 72
• 88
• 94
• There is no Lower Quartile.

Tags

CCSS.6.SP.B.5C