All GRE Subject Test: Math Resources
Example Questions
Example Question #111 : Probability & Statistics
follows a chi-squared distribution with
degrees of freedom and
through
are independent standard normal variables.
If , what is
?
Possible Answers:
Correct answer:
Explanation:
Use the fact that the sum of squared standard and independent normal variables follows a chi-squared distribution with
degrees of freedom.
All GRE Subject Test: Math Resources
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