Question

Find the mean of 3.2, 4.2, 2.3 and 1.1.

Answer 1

Step-by-step explanation:

1. mean = sum of all the observations/ no. of observations
2. mean = 3.2+4.2+2.3+1.1/4
3. mean = 10.8/4
4. mean = 2.7

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