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
51015202530

Find the median M of the data: 15, 3, 10, 30, 3, 32, 5.

n = 7
M =
2.Easy
510152025303540

Find the mean x̄ of the data: 3, 11, 8, 4, 40, 19, 21, 19, 22, 16.

n = 10
x̄ =
3.Medium
202530354045

Find the sample standard deviation s of the data: 30, 18, 22, 46, 42.

n = 5
s =
4.Medium
15202530354045505560

Find the sample standard deviation s of the data: 60, 27, 34, 57, 15, 33, 49.

n = 7
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 70 and standard deviation 10. What proportion P of values is above 76?

μ = 70σ = 10x = 76
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 60 and standard deviation 5. What proportion P of values is above 56?

μ = 60σ = 5x = 56
P =

Answer key

  1. 1. M = 10
  2. 2. x̄ = 16.3
  3. 3. s = 12.2
  4. 4. s = 16.56
  5. 5. P = 0.2743
  6. 6. P = 0.7881

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