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: 26, 35, 36, 38, 31, 8, 15, 34.

n = 8
M =
2.Easy
5101520253035

Find the median M of the data: 2, 25, 26, 22, 27, 25, 35.

n = 7
M =
3.Medium
4446485052545658

Find the sample standard deviation s of the data: 51, 57, 43, 58, 47, 47.

n = 6
s =
4.Medium
15202530354045

Find the sample standard deviation s of the data: 32, 31, 11, 39, 48.

n = 5
s =
5.Hard
z −2−1012

A quantity is normally distributed with mean 50 and standard deviation 15. What proportion P of values is above 20?

μ = 50σ = 15x = 20
P =
6.Hard
z −2−1012

A quantity is normally distributed with mean 50 and standard deviation 10. What proportion P of values is above 60?

μ = 50σ = 10x = 60
P =

Answer key

  1. 1. M = 32.5
  2. 2. M = 25
  3. 3. s = 5.992
  4. 4. s = 13.66
  5. 5. P = 0.9772
  6. 6. P = 0.1587

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