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
101520253035

Find the median M of the data: 10, 39, 27, 12, 20, 39, 18, 8, 15, 27.

n = 10
M =
2.Easy
101520253035

Find the mean x̄ of the data: 8, 22, 29, 30, 18, 39, 7.

n = 7
x̄ =
3.Medium
15202530354045

Find the sample standard deviation s of the data: 35, 31, 15, 37, 32, 48, 44.

n = 7
s =
4.Medium
1520253035404550

Find the sample standard deviation s of the data: 53, 48, 15, 23, 21, 34, 50.

n = 7
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 50 and standard deviation 8. What proportion P of values is below 38?

μ = 50σ = 8x = 38
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 70 and standard deviation 12. What proportion P of values is above 58?

μ = 70σ = 12x = 58
P =

Answer key

  1. 1. M = 19
  2. 2. x̄ = 21.86
  3. 3. s = 10.63
  4. 4. s = 15.59
  5. 5. P = 0.06681
  6. 6. P = 0.8413

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