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Home › SSC › Statistics

Statistics — SSC Questions & Practice

Practise 18 Statistics questions from SSC for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Statistics — with answers

Try each question first, then open the answer. Explanations are included.

1. What is the mean (average) of the data set: 4, 8, 6, 5, 3, 7, 2?

  1. A5
  2. B3
  3. C7
  4. D9
Show answer

Answer: A

Mean = (sum of values)/(number of values) = 35/7 = 5.

2. What is the mean (average) of the data set: 10, 20, 15, 25, 30?

  1. A20
  2. B18
  3. C22
  4. D24
Show answer

Answer: A

Mean = (sum of values)/(number of values) = 100/5 = 20.

3. What is the mean (average) of the data set: 12, 15, 18, 21, 24, 27?

  1. A19.50
  2. B17.50
  3. C21.50
  4. D23.50
Show answer

Answer: A

Mean = (sum of values)/(number of values) = 117/6 = 19.50.

4. What is the mean (average) of the data set: 5, 10, 15, 20?

  1. A12.50
  2. B10.50
  3. C14.50
  4. D16.50
Show answer

Answer: A

Mean = (sum of values)/(number of values) = 50/4 = 12.50.

5. What is the mean (average) of the data set: 2, 4, 6, 8, 10, 12?

  1. A7
  2. B5
  3. C9
  4. D11
Show answer

Answer: A

Mean = (sum of values)/(number of values) = 42/6 = 7.

Practise more Statistics questions

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