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
1015202530

Find the median M of the data: 28, 19, 34, 27, 21, 6, 31.

n = 7
M =
2.Easy
5101520253035

Find the mean x̄ of the data: 19, 35, 16, 9, 5, 3.

n = 6
x̄ =
3.Medium
20253035404550

Find the sample standard deviation s of the data: 46, 32, 40, 51, 18, 46.

n = 6
s =
4.Medium
25303540

Find the sample standard deviation s of the data: 30, 26, 44, 34, 22, 29.

n = 6
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 170 and standard deviation 15. What proportion P of values is above 140?

μ = 170σ = 15x = 140
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 60 and standard deviation 10. What proportion P of values is below 45?

μ = 60σ = 10x = 45
P =

Answer key

  1. 1. M = 27
  2. 2. x̄ = 14.5
  3. 3. s = 12.11
  4. 4. s = 7.6
  5. 5. P = 0.9772
  6. 6. P = 0.06681

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