STATISTICS REVIEW

What is the mode?

• Number that occurs the most
• The Average
• The difference between the highest and lowest values
• The Number in the middle

What is the mean?

• The number that occurs the most
• The number in the middle
• The difference between the highest and lowest values
• The Average

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.3

What is the median?

• The number in the middle
• The difference between the highest and lowest values
• The number that occurs the most
• The average

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.3

Find the missing value that would make the mean of the data set 25.

• 22

• 23

• 24

• 26

The number of text messages that Isaac received each day for a week is shown: 47, 49, 54, 50, 48, 47, 55.

What is the mean and median?

• Mean=49

  Median=54

• Mean=49

  Median=50

• Mean=50

  Median=54

• Mean=50

  Median=49

• Kim's scores are more consistent.
• Caleb's scores are more consistent.
• Both scores have the same consistency!
• Not enough information is provided.

Tags

CCSS.6.RP.A.3B

The range is the difference between the greatest and the least data values.

• True
• False

Tags

CCSS.4.MD.B.4

Quartiles are values that divide a data set into four equal parts.

• True
• False

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.3

Standard Deviation is a measure of spread, which represents the average of the distance between individual data values and the mean.

• True
• False

Find the standard deviation of 21, 31, 26, 24, 28, 26.

• S.D. ≈ 9.67

• S.D. ≈ 26

• S.D. ≈ 3.1

• S.D. ≈ 10