Question

if the mean of observation 7,8,9,11 and x is 10 then x is

Answer 1

Answer:

15

Step-by-step explanation:

Mean = Sum of items / Number of items

10 = (7 + 8 + 9 + 11 + x) / 5

50 = 35 + x

x = 50 - 35

x = 15

Answer 2

Answer:

15

Step-by-step explanation:

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