Percentile and Z-Score Practice Questions by https://padlet.com/bkeys1/vjh07jmf9z6mjw9r Made with a dash of wit en-us 2020-10-09 12:10:20 UTC 2025-07-17 15:33:23 UTC hello@padlet.com Ninu https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816535037 These are the percentage of shots made in the paint by NBA players.

30, 33, 35, 46, 50, 51, 63, 62, 65, 79

Lebron James finishes in the paint at 65 percent.

What percentile would he be at?

A. 90th
B. 80th
C. 20th
D. 10th

The average shots percentage made in the paint is 51.4%. The standard deviation is 15.13%. Based on this information, what is Lebron's Z-Score?

A. 0.88
B. 0 .8
C. 0.9
D. 0. 98]]> 2020-10-09 12:56:34 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816535037 Chande https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816547548 Zion Williamson averages 45 points per game. There are 5 starters including Zion. What is the z score for Zion? What percentile is Zi
7, 9 , 13, 15, 45
Z-score
a)1.75
b)2.68
c)2.89
d)-2.68
Percentile
A)99.99
B)68th
C)37th
D)1
#TheGOAT

]]> 2020-10-09 13:01:12 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816547548 Augustin https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816562301 Becky has taken the standardized test of the PSAT. On the form is says her z-score was +3.00, what can you infer about her score on the test based on this z-score?]]> 2020-10-09 13:05:55 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816562301 Bemi Onitiri https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816583247 Random student's ages were taken for a survey. If David is 13, what percentile is he in and what is his Z score.
9, 9, 10, 11, 12, 13, 14, 15
Standard deviation: 2.1
Mean 11.6

Percentile:________
Z score:
A. 1.1*
B. 2.9
C. 6.8
D. 3.3

]]> 2020-10-09 13:12:28 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816583247 Amber S. https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816587467 19 students were asked how many TVs were in their homes. At what percentile are the students in who have 4 TVs in their home, and what are their z-scores?
2, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 7, 7, 8, 8, 9
A. 37th percentile; 0.7
B. 29th percentile; 0.6
C. 37th percentile; -0.6
D. 29th percentile; -0.7]]> 2020-10-09 13:13:49 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816587467 Alana S https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816588037 Find the 85th percentile score in the following test results.
{95, 88, 70, 75, 83, 70, 66, 91, 68, 76, 82}
Possible Answers:
89.5
85
91
88
93

]]> 2020-10-09 13:13:59 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816588037 Comfort https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816588632 Two sisters, Sara and Lisa, wanted to compare their AP biology tests to see who got a better score. Sara had taken it last year and Lisa had taken it this year. Lisa had taken a slightly different test than Sara. Find the Z-score for both grades to decide who did better in comparison to their class.

Sara's Score: 27
Mean for Sara's class: 21
Standard dev.: 3

Lisa's Score: 24
Mean for Lisa's class: 19
Standard dev: 2

A)Sara did better in class, with 2.5 standard deviations above the mean. 
B) Lisa did better in class, with 3.5 standard deviations above the mean.
C) Sara did better in class, with 2 standard deviations above the mean.
D)Lisa did better in class, with 2.5 standard deviations above the mean.]]> 2020-10-09 13:14:10 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816588632 Ibiso Wokoma https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816592114 David uses dry ice to pack ice cream for shipping. The dot plot shows the density, in kilograms per cubic decimeter, of 15 blocks of dry ice David uses (a visual graph is shown below):
 
1.2, 1.2, 1.2, 1.2, 1.3, 1.3, 1.3, 1.3, 1.3, 1.4, 1.4, 1.4, 1.5, 1.6, 1.6

What is the closest estimate to the percentile of a block of dry ice with a density of 1.5 kg dm^3?

A. 15th
B. 80th
C. 86th
D. 55th]]> 2020-10-09 13:15:17 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816592114 Malik A https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816593037 Today, 18 people competed to see who could run the most miles in a marathon, here are the results: 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 6, 6, 7, 8, 9, 10, 10, 11

  1. Which answer is the closest estimate to the percentile rank of people who ran 10 miles. Highlight your answer in green.

  • 96th percentile
  • 89th percentile
  • 55th percentile
  • 32nd percentile 
]]> 2020-10-09 13:15:34 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816593037 Amber Dudley https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816632851 2020-10-09 13:27:04 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816632851 Derin Singh dsingh26 https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816642881 10 people tried to beat Super Mario Odyssey in under an hour in the least amount of tries and the results showed (1, 2, 2, 3, 4, 5, 5, 5, 5, 7)

What is the closest percentile estimate for the people that finished the game in under an hour and took 5 tries?

1. 88th percentile
2. 68th percentile
3. 77th percentile
4. 90th percentile]]> 2020-10-09 13:29:47 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/816642881 Adeola aogunsan1 https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817145249 The scores for an 10 question AP Calculus diagnostic test are shown here. 15 students are in the class, and those students are new to all of the topics discussed and therefore have most likely guessed on most of the questions. Find the percentile of the student who scored an 8 on the test.

Answer Choices:
a) 75th
b) 80th
c) 73rd
d) 85th]]> 2020-10-09 15:46:10 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817145249 Iman https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817467129 The scores on a test have a mean of 500 and a standard deviation of 100. what score would you need to get to land in the 84th percentile?

A. 84
B. 400
C. 500
D. 600]]> 2020-10-09 17:19:25 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817467129 Moses https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817486505 20 students took a test on statistics what is the percentile of the student who scored higher than a 70%? ]]> 2020-10-09 17:24:53 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817486505 Trenton https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817502002 Down below are the yards of rushing for the Washington Football Team for each game.

30,33,65,46,50,51,63,62,65,79

Washington started their win streak  during the 65 yrd game.

What percentile would 65 be at?

A.80th
B.10th
C.90th
D.20th]]> 2020-10-09 17:29:16 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817502002 Sopheiah Jones=Fitzgerald https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817900330 What is the 30th percentile of this data set?
2, 2, 3, 4, 5, 5, 5, 6, 8, 8, 8, 8, 8, 9, 9, 10, 11, 11, 12, 12

A) 4
B)6
C)3
D)5]]> 2020-10-09 19:53:25 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817900330 Corey Drayton https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817932604 The scores on a standardized test are normally distributed with a mean of 500 and a standard deviation of 60. Jake score 520 on the test. 

What percent of student scored below Jake?

A. 33%
B. 57%
C. 63%
D. 72%]]> 2020-10-09 20:10:13 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/817932604 David Kuria https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/819907289 What is the 25th percentile of the following times at the swim meet for 50 free?
45,38,36,34,33,32,32,31,30,29,29,29,28,28,28,27,26,24,24,22,

A)22
B)33
C)28
D)45
E)38]]> 2020-10-11 18:34:41 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/819907289 Caleb O. https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/823126370 The boys and girls Glendale Soccer team has scored well consistently in their games for 20 seasons. Below is the number of goals they scored in their last 20 seasons, they scored 27 goals in season 16. What is the percentile of 27 goals?

 39 27 19 42 20 43 24 17 21 38 16 30 15 36 27 51 47 18 25 32 


]]> 2020-10-12 23:49:25 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/823126370 Tyren Brown(Hypothetical Question) https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/823337090 The American mockumentary sitcom television series, "The Office" undergoes a casting of extra characters that follow a geometric sequence. Every season the number of extras that appear in the sitcom increase at a rate of 2. With season 8 casting 17 new extras characters, season 9 casting 19, season 10 casting 21 and so on until season 13 . What is the percentile of 19 new extra characters casted in season 9 and the z-score in relation to the mean?

***HURRY JIM AND PAM NEED ANSWERS***]]> 2020-10-13 01:39:20 UTC https://padlet.com/bkeys1/vjh07jmf9z6mjw9r/wish/823337090