Percentiles and Z-Scores Practice
Authored by Erin Sallette
Mathematics
10th - 11th Grade
CCSS covered
Used 242+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Given the data set: 1, 2, 3, 6, 9, 11, 45, 102, calculate the percentile for the data value 11 in this set.
70th percentile
62.5th percentile
72.5th percentile
75th percentile
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the percentile of the value 74 in the following group of 15 data values? 23, 30, 35, 55, 61, 65, 68, 69, 70, 74, 80, 85, 90, 100, 100
73rd
67th
75th
60th
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the PERCENTILE for the data value of 20 in the given data set.
33rd
15th
27th
25th
Tags
CCSS.6.SP.A.2
CCSS.6.SP.B.5
CCSS.6.SP.A.3
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the PERCENTILE for the data value of 30 in the given data set.
80th
75th
93rd
87th
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Here are the weights (in pounds) of 10 puppies: 4 4 5 7 8 8 8 10 12 13 What is the percentile of a 5 pound puppy?
30th percentile
20th percentile
70th percentile
30th percentile
Tags
CCSS.6.SP.A.2
CCSS.6.SP.B.5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Adam's Z-score on a test is +2.50. What does this mean?
Adam's score has a 2.5% chance of being better than any other randomly selected score.
Adam's test score was better than 25% of his peers.
He scored 2.5 standard deviations above the average.
He did terrible.
Tags
CCSS.HSF-LE.A.1B
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Joanne's score on a test gives her a Z-score is -1.50. What does this mean?
Joanne didn't take the test yet.
Joanne's test score is 1.50 standard deviations below the average test score.
Joanne did better than 1.50 times her peers.
Joanne's test score, on average, was 1.5 points lower than the other test scores.
Tags
CCSS.HSS.ID.A.4
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