Measures of Spread REGULAR 3/5/2020

What is the range?

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

Tags

CCSS.4.MD.B.4

Find the spread or range.
5, 8, 8, 9, 10, 15

• 10
• 9
• 8
• 20

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the Quartile 1 or Q1.
2, 3, 6, 6, 8, 10, 12

• 7
• 6
• 3
• 2

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Another name for Quartile 1 is

• Median of the Lower Half
• Median of the Upper Half
• Median
• Minimum

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Another name for Quartile 3 is

• Median of Lower Half
• Median of Upper Half
• Maximum 
• Median

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

How do you find the Interquartile Range or IQR?

• Q3 - Q1
• Median
• Q1 - Q3
• Maximum - Minimum

Find the minimum.
2, 3, 6, 6, 8, 10, 12

• 2
• 12
• 6
• 7

Tags

CCSS.6.NS.C.7

Find the maximum.
2, 3, 6, 6, 8, 10, 12

• 7
• 2
• 12
• 6

Tags

CCSS.6.NS.C.7

Find the Interquartile Range or IQR
2, 3, 6, 6, 8, 10, 12

• 10
• 3
• 7
• 6

Tags

CCSS.6.SP.B.5C

Which data set has the largest IQR?

• B

• A