You Wish to Construct a 90% Confidence Interval to Compare

question 12

Multiple Choice

You wish to construct a 90% confidence interval to compare the mean measurement for two groups.A small pilot study yields sample standard deviations of 10 and 12 for Group 1 and Group 2,respectively.If we wish to obtain a margin of error of at most 2,what sample size should we take from each group? Assume equal sample sizes.

• A)165
• B)168
• C)169
• D)166
• E)167

---

Definitions:

Without Recourse

A term indicating that the holder of a financial instrument cannot demand payment from the original issuer or underwriter in the event of non-payment by the borrower.

Qualifying Words

Words in a legal document that specify conditions or modify the meaning of other words to which they apply.

Accommodation Party

An Accommodation Party is an individual or entity that signs a negotiable instrument on behalf of another, guaranteeing payment without receiving a direct benefit.

Indorser

The person who signs the back of a negotiable instrument, such as a check, thereby transferring ownership or guaranteeing payment to another party.