central tendency and variation

It is a single value that attempts to describe a set of data by identifying the central position within that set of data.

• Measures of Central Tendency

• Measures of Variation

• Measures of Position

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

It is also equivalent to fiftieth percentile.

• Mean

• Median

• Mode

It is the number that has the highest frequency.

• Mode

• Mean

• Median

What is the median age of a group of employees whose ages are 32, 37, 30, 43, 29 and 31?

• 30

• 31

• 31.5

• 30.5

Tags

CCSS.6.SP.B.5C

Which measure of central tendency is greatly affected by extreme scores?

• Mode

• Median

• Mean

• none of these

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode:
12, 10, 10, 10, 13, 12, 11, 13, 10

• 13
• 12
• 11
• 10

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

If you score 76, 85, 97, and 82 on your math tests, what would your average score be? 

• 82
• 90
• 85
• 88

Tags

CCSS.7.EE.B.3

What is the mean?

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

Tags

CCSS.7.EE.B.3

What is the mode?

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

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2
• 2.8
• 1.2
• 4.2

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5