In Testing for the Significance of the Difference Between Two

question 5

Multiple Choice

In testing for the significance of the difference between two sample means when the sample size is small,we may assume equal population variances if

• A)sample sizes are exactly the same.
• B)sample sizes are varied.
• C)sample sizes are approximately equal.
• D)none of these,we cannot assume equal population variance.

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Definitions:

Effective Rate

The actual interest rate an investor earns or pays on an investment or loan, taking into account the effects of compounding.

Compounding Interval

The frequency at which interest is added to the principal amount of an investment or loan, influencing the total amount of interest earned or paid.

Compounded Semi-Annually

The calculation of interest on a principal sum twice a year, effectively increasing the amount on which future semi-annual interest payments are calculated.

Annuity

An investment vehicle that delivers a steady flow of payments to a recipient, predominantly designed to be a revenue stream for retired persons.