Measures of Variation: mean, median, mode

The mean is

• The middle score
•  Total & divided by number of scores
• The most frequent score
• The middle when in order

The median is

• The middle score
•  Scores added & divided by the number of scores
• The most frequent score
• The middle when in order

Tags

CCSS.7.EE.B.3

The mode is

• The middle score
•  Scores added & divided by the number of scores
• The most frequent score
• The middle when in order

Find the mode of:
1, 2, 3, 4 

• 2.5
• 2 & 3
• No mode
• 3

Tags

CCSS.6.SP.B.5C

Find the median of:
21, 7, 32, 45, 28, 78

• 32 & 45
• 78.5
• 45
• 30

Tags

CCSS.6.SP.B.5C

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

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

• 4.1
• 6
• 4.5
• 4

Tags

CCSS.6.NS.B.3

find the median of
20 30 40 50 60

• 50
• 40
• 1
• 5

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5