measures of variation

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

What is the outlier in this data set?

{23, 60, 30, 21, 25, 35, 29}

• 35

• 21

• 30

• 60

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

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

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

Tags

CCSS.6.SP.B.5C

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

• 78
• 22
• 16
• There is no IQR.

Tags

CCSS.7.EE.B.3

Use the 1.5 IQR rule to determine if there are any outliers for the following numbers:
84, 88, 72, 74, 98, 16, 94 

• Yes, 16 is an outlier.
• Yes, 33 is an outlier.
• Yes, 98 is an outlier.
• There are no numbers less than 39 or greater than 124, therefore there are no outliers.

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.1

What is the Q1 of this data set?
6, 7, 2, 1, 5, 2, 1, 6

• 1
• 1.5
• 2
• 2.5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

CCSS.6.SP.A.2

What is the IQR of this data set?
9, 5, 6, 3, 1, 8

• 3.5
• 4
• 5

Tags

CCSS.6.SP.B.5C

What is the IQR of this data set? 
37 42 48 51 52 53 54 54 55

• 5
• 6
• 8
• 9

Tags

CCSS.6.SP.B.5C