Answer:

The mean of 2/5, 5/3, 1/3, 5/6, 1/6​  is 102/150 or 0.68

Step-by-step explanation:

Data points (xi) = 2/5, 5/3, 1/3, 5/6, 1/6

n = 5

∑xi = 2/5 + 5/3 + 1/3 + 5/6 + 1/6

    = (12 + 50 + 10 + 25 + 5) /30  

    = 102 / 30

    = 3.4

Mean = ∑xi / n

         = 3.4 / 5 = 0.68

or else,

Mean = ∑xi / n

         = 102/(30*5)

         = 102/150

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Answer:

Given data is

3

1

,

4

3

,

6

5

,

2

1

,

12

7

Mean = Sum of observations ÷ Total number of observations

Sum of observations=

3

1

+

4

3

+

6

5

+

2

1

+

12

7

Mean =

5

12

4+9+10+6+7

=

5

3