The Procedure for Testing Significance of Difference Between Two Means

question 11

Multiple Choice

The procedure for testing significance of difference between two means from two different groups(either two different samples or two different groups in the same sample) is ________ the procedure used in testing two percentages.

• A)different from
• B)the opposite of
• C)identical to
• D)similar to

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Definitions:

Standard Deviation

A statistical measure of the dispersion of a set of data from its mean, used in finance to quantify the volatility of investment returns.

Survivorship Bias

The logical error of concentrating on the people or things that "survived" some process and inadvertently overlooking those that did not because of their lack of visibility.

Investment Decisions

The process of deciding where to allocate resources in order to achieve the highest possible return.

Poor Performing Funds

Funds that consistently generate returns below their benchmark or peer group averages over a specified period.