Question

if the arthemetic mean of 5 ,4,x,x+3,9and 8 is 6 ,find out value of x
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Answer 1

Please Open your book and find your answer............

Answer 2

Answer:

★ ANSWER :

x = 3.5

Step-by-step explanation:

★ QUESTION :

If the arithmetic mean of 5, 4, x, x + 3, 9 and 8 is 6, find out value of x.

★ CONCEPT USED :

The Arithmetic Mean can be computed by three methods.

1. Direct Method

2. Assumed - Mean Method

A +

3. Step - Derivation Method

A +

★ SOLUTION ;

Σfixi = 5 + 4 + x + x + 3 + 9 + 8

Σfixi = 2x + 29

Σfi = 6

According to the Question ,

★ ANSWER :

x = 3.5

HOPE IT HELPS YOU !

THANKS !