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: 8, 13, 5, 38, 15, 5, 11.

n = 7
M =
2.Easy
5101520253035

Find the median M of the data: 23, 19, 34, 3, 9, 22, 15, 38.

n = 8
M =
3.Medium
1520253035404550

Find the sample standard deviation s of the data: 52, 43, 52, 16, 38, 12.

n = 6
s =
4.Medium
30354045505560

Find the sample standard deviation s of the data: 38, 31, 26, 60, 54, 32.

n = 6
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 50 and standard deviation 5. What proportion P of values is above 55?

μ = 50σ = 5x = 55
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 100 and standard deviation 8. What proportion P of values is above 112?

μ = 100σ = 8x = 112
P =

Answer key

  1. 1. M = 11
  2. 2. M = 20.5
  3. 3. s = 17.55
  4. 4. s = 13.72
  5. 5. P = 0.1587
  6. 6. P = 0.06681

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