Measures of Center and Variation

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What is the mode?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

A data set can have more than one _______

• Median
• Mode
• Mean
• Midrange

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What is the mode?

4 , 8 , 5 , 4, 17 , 5 , 4 , 9 , 5 , 6 , 82, 4

Mathematical Equivalence

ON

Which is the MIDDLE of an ordered set of data?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

Which is a synonym for "average?"

• mean

• median

• mode

• range

Tags

CCSS.RI.6.7

CCSS.RI.8.7

CCSS.RL.6.7

CCSS.RL.7.7

CCSS.RL.8.7

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

Mathematical Equivalence

ON

Find the mean of these numbers:
5, 11, 2, 12, 4, 2

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.7.EE.B.3

• spread

• mean

• outlier

• median

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

CCSS.6.SP.A.1

CCSS.6.SP.B.4

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

Tags

CCSS.6.SP.B.5