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The mean of the numbers 1.2, 1.0, 0.9, 1.4, 8, 0.8, 1.2 and 1.1 is…

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The mean of the numbers 1.2, 1.0, 0.9, 1.4, 8, 0.8, 1.2 and 1.1 is

A. 1.5

B. 0.8

 C. 1.95

D. 1.02

QUICK ANSWER…

C

DETAILS…

The mean of a set of numbers is simply is simply its average, it is equal to the addition of all the numbers divided by the number of numbers being added.

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So, the mean will be = (1.2 + 1.0 + 0.9 + 1.4 + 8 + 0.8 + 1.2 + 1.1)/8 = 15.6/8 = 1.95

Now for the right answer to the above question:

  1. Option A is incorrect.
  2. Option B is incorrect.
  3. C is correct.
  4. D is not the correct answer.

KEY-POINTS…

You may please note these/this:

  • Mean = average = total sum of all numbers / number of numbers added
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/ culled from 2020 JAMB-UTME mathematics past question 05 /

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