Measures of Position

About what percent of data lies within 2 standard deviations from the mean? (empirical rule)

• 95%

• 99.7%

• 100%

• 68%

Tags

CCSS.HSS.ID.A.4

Suppose IQ scores are symmetric and bell shaped. The IQ test has a mean of 100 and standard deviation of 15. What percentage of IQ scores are between 70 and 130?

• 68%

• 95%

• 99.7%

• 60%

Tags

CCSS.HSS.ID.A.4

IQ scores have a normal distribution with a mean of 100 and a standard deviation of 15. Suppose you have an IQ of 113, find the z-score for your IQ.

• 1.5

• 100

• 13

• 0.87

Tags

CCSS.HSS.ID.A.4

Given a list of data: 22, 24, 24, 26, 27, 27, 27, 28, 29, 29, 30. What is the percentile of the value 28?

• 50%

• 28%

• 64%

• 25%

Tags

CCSS.6.SP.B.5C

Find the value in the 35th percentile?

1, 1, 1, 2, 3, 4, 5, 7, 8, 8, 8, 9, 9, 10, 10

• 5

• 4

• 15

• 35

Tags

CCSS.6.SP.B.5C

Given a list of data, find the median (Q2): 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 35, 36, 39

• 29

• 21

• 29.5

• 28

Tags

CCSS.6.SP.B.5C

Given a list of data, find Q1: 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 35, 36, 39

• 25

• 29

• 24

• 33

Tags

CCSS.6.SP.B.5C

Given a list of data, find Q3: 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 35, 36, 39

• 36

• 24

• 29

• 33

Tags

CCSS.6.SP.B.5C