Question

. If the mean of 3, 5, 0, x, 7, 13 is 7, then the value of x is *

Answer 1

Answer:

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Step-by-step explanation:

ANSWER ::

Mean of the given data is

= (3+5+0+x+7+13) /7

= 28+x / 7

So 28+x / 7= 7

28+x = 49

x = 21

Answer 2

Answer:

mean = sum of observations/no. of observations

7= 3+5+0+x+7+13/6

7= 28+x/6

7×6= 28+x

42-28 = x

14 = x is the answer