Percentiles

If I tell you that you scored at the 55th percentile on your final exam, you would know:

• 55% of the class scored the same or worse than you did

• You earned a 55% on the exam

• You failed the exam

• 45% of the class scored worse than you did

Tags

CCSS.7.EE.B.3

The 50th percentile is also know as the

• median

• third quartile

• 1st quartile`

• interquartile range

Tags

CCSS.6.SP.B.5C

Given the data set: 1, 2, 3, 6, 9, 11, 45, 102, calculate the percentile rank for 11.

• 70^th percentile

• 62.5^th percentile

• 72.5^th percentile

• 75^th percentile

Find P₂₀ (20th Percentile) for the following data.

35, 65, 68, 100, 23, 69, 74, 70, 61, 90, 85, 55, 30, 65, 80

• 12

• 39

• 35

• 57

Tags

CCSS.6.SP.B.5C

Find P₇₅ (75th Percentile) for the following data.

35, 65, 68, 100, 23, 69, 74, 70, 61, 90, 85, 55, 30, 65, 80

• 80

• 75

• 90

• 70

Tags

CCSS.6.SP.B.5C

The 75th percentile is also know as the

• median
• third quartile
• 1st quartile`
• interquartile range

Tags

CCSS.6.SP.B.5C

24, 27, 30, 32, 33, 34, 36

What is the value of the median?

• 27

• 32

• 34

• 36

Tags

CCSS.6.SP.B.5C

24, 27, 30, 32, 33, 34, 36

What is the value of Q₁?

• 27

• 32

• 34

• 30

Tags

CCSS.6.SP.B.5C

24, 27, 30, 32, 33, 34, 36

What is the value of Q₃?

• 30

• 28

• 34

• 30

Tags

CCSS.6.SP.B.5C

The formula to find the percentile of a given data value is.

• $\frac{How\ Many\ Values\ Below\ X}{Total\ Number\ of\ Values}\cdot100$

• $\frac{How\ Many\ Values\ Above\ X}{Total\ Number\ of\ Values}\cdot100$

• $\frac{How\ How\ many\ values\ below\ X}{How\ many\ values\ above\ X}\cdot100$

• $\frac{How\ How\ many\ values\ above\ X}{How\ many\ values\ below\ X}\cdot100$