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

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, 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