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
101520253035

Find the median M of the data: 21, 7, 22, 18, 37, 22, 11, 20, 22.

n = 9
M =
2.Easy
5101520253035

Find the median M of the data: 11, 15, 38, 7, 8, 16, 5, 34, 30.

n = 9
M =
3.Medium
10152025303540455055

Find the sample standard deviation s of the data: 26, 19, 10, 56, 14.

n = 5
s =
4.Medium
303540455055

Find the sample standard deviation s of the data: 52, 33, 53, 33, 59, 56, 28.

n = 7
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 100 and standard deviation 8. What proportion P of values is below 96?

μ = 100σ = 8x = 96
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 500 and standard deviation 40. What proportion P of values is below 452?

μ = 500σ = 40x = 452
P =

Answer key

  1. 1. M = 21
  2. 2. M = 15
  3. 3. s = 18.33
  4. 4. s = 12.95
  5. 5. P = 0.3085
  6. 6. P = 0.1151

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