Descriptive statistics worksheet with answers

Free printable Descriptive statistics worksheet: 6 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy
20253035

Find the median M of the data: 26, 22, 23, 23, 17, 39.

n = 6
M =
2.Easy
152025303540

Find the median M of the data: 15, 24, 40, 29, 25, 23, 11, 31, 25, 22.

n = 10
M =
3.Medium
303540455055

Find the sample standard deviation s of the data: 45, 38, 58, 33, 50, 29, 49.

n = 7
s =
4.Medium
15202530354045

Find the sample standard deviation s of the data: 14, 46, 14, 23, 24.

n = 5
s =
5.Hard
z −2−1012

Exam scores are normally distributed with mean 60 and standard deviation 15. Find the z-score z of a score of 45.

μ = 60σ = 15x = 45
z =
6.Hard
z −2−1012

A quantity is normally distributed with mean 170 and standard deviation 12. What proportion P of values is below 152?

μ = 170σ = 12x = 152
P =

Answer key

  1. 1. M = 23
  2. 2. M = 24.5
  3. 3. s = 10.29
  4. 4. s = 13.08
  5. 5. z = −1
  6. 6. P = 0.06681

Full step-by-step solutions: practise this topic on examproblems.com.