Stats Unit 1 Test Review

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

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CCSS.7.EE.B.3

The 75th percentile is also know as the

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

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CCSS.6.SP.A.2

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CCSS.6.SP.B.4

CCSS.6.SP.B.5

You are told that your height is the 70th percentile of all heights for people your age. Which of the following is a correct interpretation of this information?

• Your height is the same as about 70% of all other people your age.

• Your height is the same as or higher than about 70% of all other people your age.

• Your score height is lower than approximately 70% of all other people your age.

• 70% of all people your age are taller than you.

Tags

CCSS.6.SP.B.5

Find the 46th percentile of this set of 11 values

22, 5, 12, 16, 31, 25, 30, 39, 32, 33, 18

• 5.06

• 5

• 22

• 25

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CCSS.6.SP.B.5C

Find P₂₀ for the following set of 15 data values.

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

• 12

• 45

• 35

• 57

Tags

CCSS.6.SP.B.5C

The Median is also referred to as

• the 25th Percentile

• the 50th Percentile

• the 75th Percentile

• the 100th Percentile

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CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the PERCENTILE RANK for the data value of 30 in the given data set.

• 80th

• 75th

• 93rd

• 77th

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CCSS.6.SP.A.2

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CCSS.6.SP.B.5

What is the PERCENTILE RANK for the data value of 20 in the given data set.

• 33rd

• 15th

• 25th

• None of the above

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CCSS.HSS.ID.A.3

CCSS.HSS.ID.A.4

The formula to find the percentile rank when you are given a data value is.

• percentile rank = n/100

• percentile rank = (number of values below) / n * 100 (round to nearest whole number)

• percentile rank = (number of values at or below) / n * 100 (round to nearest whole number)

• percentile rank = (number of values at or below) / 100 * n (round to nearest whole number)

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3