CAS Exam MAS-I Fall 2019, Question 15

Study guide: Exam MAS-I

An actuary obtained the following random sample from a normal distribution with mean \mu and variance \sigma^2:

1.16, \quad -6.78, \quad 4.04, \quad 7.68, \quad 0.85

Calculate the minimum variance unbiased estimate of \sigma^2.

• A) Less than 15
• B) At least 15, but less than 20
• C) At least 20, but less than 25
• D) At least 25, but less than 30
• E) At least 30

Answer this question and see the worked solution

Concepts tested

• Minimum Variance
• Sample Variance
• Unbiasedness
• Normal Distribution

More questions from this set

• CAS Exam MAS-I Fall 2019, Question 14
• CAS Exam MAS-I Fall 2019, Question 16