You Wish to Construct a 90% Confidence Interval to Compare

question 4

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 15 for Group 1 and Group 2,respectively.If we wish to obtain a margin of error of at most 3,what sample size should we take from each group? Assume equal sample sizes.

• A)99
• B)96
• C)97
• D)100
• E)98

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Definitions:

Perinatologist

A physician specializing in the care of the fetus and complicated, high-risk pregnancies, also known as a maternal-fetal medicine specialist.

Antenatal Diagnostics

Medical procedures and tests performed during pregnancy to detect any conditions or abnormalities in the developing fetus.

Premature Rupture

Premature rupture, often referred to as premature rupture of membranes (PROM), is a condition where the amniotic sac breaks before labor begins.

Membranes

Thin layers of tissue that cover surfaces, line cavities, and separate spaces or organs in organisms.