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1 mark

What is the average of the following numbers?
20.54,11.51,13.71,18.31,17.53

  1. A
    18.35
  2. B
    32.1
  3. C
    16.32
  4. D
    21.62

Solution & Step-by-step Explanation

The formula for average is:
Average=
Total count of numbers
Sum of all numbers
​

Sum of the given numbers:

20.54+11.51+13.71+18.31+17.53=81.60
Total count of numbers = 5

Now calculate the average:

Average=
5
81.60
​
=16.32

Practice this question

Try it yourself before checking the explanation above.

What is the average of the following numbers?
20.54,11.51,13.71,18.31,17.53
A
18.35
B
32.1
C
16.32
D
21.62

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