Question

The mean of 5, 1, 8, -2, h and - 11 is 4.50. Find the value of text h

Answer 1

Answer:

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Answer 2

Given :-

data - 5, 1, 8, -2, h, -11

it's mean - 4.50

mean is basically the average of the data.

formula to find the mean = (sum of all no.s in the given data)/(total no.s)

total no.s in the given data = 6

therefore [5 + 1 + 8 + (-2) + h + (-11)]/6 = 4.50

➡ (5 + 1 + 8 - 2 + h - 11)/6 = 4.50

➡ (1 + h)/6 = 4.50

➡ 1 + h = 4.50 × 6

➡ 1 + h = 27

➡ h = 27 - 1

➡ h = 26

hence, the value of h = 26

VERIFICATION :-

LHS -

= (5 + 1 + 8 - 2 + 26 - 11)/6

= (14 + 13)/6

= 27/6

= 4.5

RHS -

= 4.5

» LHS = RHS. hence verified!