Question

6. the fourth moments for the set 4, 7, 5,9,8, 3, 6*​

Answer 1

Given :- the fourth moments for the set 4, 7, 5,9,8, 3, 6 ?

Answer :-

we know that,

• The fourth moments of a set is = (x1⁴ + x2⁴ + x3⁴ + ... + xn⁴)/n .

putting values we get,

→ fourth moments = (4⁴ + 7⁴ + 5⁴ + 9⁴ + 8⁴ + 3⁴ + 6⁴) / 7

→ fourth moments = (256 + 2401 + 625 + 6561 + 4096 + 81 + 1296) / 7

→ fourth moments = 15316/7

→ fourth moments = 2188 (Ans.)

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