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

  • A 1.5
  • B 0.8
  • C 1.0
  • D 1.02
  • E 1.05
jamb 1979mathematics

The correct answer is E. 1.05

The mean of a set of numbers is calculated by adding all the numbers and then dividing by the count of the numbers.

Let's calculate:

Mean = (1.2 + 1.0 + 0.9 + 1.4 + 0.8 + 0.8 + 1.2 + 1.1) / 8 = 8.4 / 8 = 1.05

So, the correct answer is 1.05.

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