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.

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Name: ____________________   Date: ____________

1.Easy
10152025303540

Find the median M of the data: 10, 21, 39, 17, 20, 40, 10, 38.

n = 8
M =
2.Easy
510152025

Find the median M of the data: 29, 3, 9, 10, 16, 10, 20.

n = 7
M =
3.Medium
3035404550

Find the sample standard deviation s of the data: 46, 46, 52, 32, 30.

n = 5
s =
4.Medium
1520253035404550

Find the sample standard deviation s of the data: 29, 49, 12, 26, 20, 53.

n = 6
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 100 and standard deviation 15. What proportion P of values is below 88?

μ = 100σ = 15x = 88
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 500 and standard deviation 75. What proportion P of values is above 462.5?

μ = 500σ = 75x = 462.5
P =

Answer key

  1. 1. M = 20.5
  2. 2. M = 10
  3. 3. s = 9.654
  4. 4. s = 16.23
  5. 5. P = 0.2119
  6. 6. P = 0.6915

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