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
5101520253035

Find the median M of the data: 38, 8, 27, 20, 4, 38, 33.

n = 7
M =
2.Easy
5101520253035

Find the mean x̄ of the data: 31, 12, 4, 14, 13, 14, 26, 36, 34, 29.

n = 10
x̄ =
3.Medium
2025303540455055

Find the sample standard deviation s of the data: 54, 55, 16, 18, 38.

n = 5
s =
4.Medium
1520253035404550

Find the sample standard deviation s of the data: 50, 15, 20, 49, 17.

n = 5
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 500 and standard deviation 100. What proportion P of values is above 600?

μ = 500σ = 100x = 600
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 50 and standard deviation 12. What proportion P of values is below 62?

μ = 50σ = 12x = 62
P =

Answer key

  1. 1. M = 27
  2. 2. x̄ = 21.3
  3. 3. s = 18.79
  4. 4. s = 17.71
  5. 5. P = 0.1587
  6. 6. P = 0.8413

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