IFoA Exam IFoA_CAA_M0 Topic 9 Question 55 Discussion

Actual exam question for IFoA's IFoA_CAA_M0 exam

Question #: 55
Topic #: 9

[All IFoA_CAA_M0 Questions]

For random variable X, use the following statistics to calculate its coefficient of skewness based on central moments.

E(X) = 3.940

E(X2) = 21.466

skew(X) = E[(X - )3] = 6.008

A-0.415

B0.060

C0.415

D0.768

Show Suggested Answer

Suggested Answer: C

by Karl at Mar 05, 2024, 06:12 PM

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Dustin

6 months ago

I got 0.060, I must have made a mistake in my calculation.

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Alisha

6 months ago

I think the correct answer is C) 0.415 because it matches my calculation.

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Brittni

6 months ago

I got -0.415 as the coefficient of skewness.

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Alida

7 months ago

I calculated it and got 0.415 as the coefficient of skewness.

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Lashawn

7 months ago

I agree, we can use the formula skew(X) = E[(X - E(X))^3] to find it.

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Elly

7 months ago

I think the coefficient of skewness can be calculated using these statistics.

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