A Professor of Women's Studies Is Interested in Determining If

question 50

Multiple Choice

A professor of women's studies is interested in determining if stress affects the menstrual cycle. Ten women are randomly sampled for an experiment and randomly divided into two groups. One of the groups is subjected to high stress for two months while the other lives in a relatively stress-free environment. The professor measures the menstrual cycle (in days) of each woman during the second month. The following data are obtained. Construct the 95% confidence interval for ì ₁ - ì ₂. The 95 % confidence interval = _________.

• A) -10.712 - -3.688
• B) -8.341 - 1.405
• C) -9.264 - -2.627
• D) -10.204 - -3.348

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Definitions:

Cochlea

A spiral-shaped cavity in the inner ear that plays a crucial role in the sense of hearing by converting sound vibrations into neural signals.

Semicircular Canals

Structures within the inner ear vital for maintaining balance and equilibrium, detecting rotational movements of the head.

Utricle

A part of the inner ear that is involved in sensing linear accelerations and head-positions.

Vestibule

An entrance hall inside a building which leads to various rooms or spaces, or in anatomy, a space or cavity at the entrance of a canal, notably within the ear or nose.