A Group of 59 Randomly Selected Students Have a Mean $\mu$

question 15

Multiple Choice

A group of 59 randomly selected students have a mean score of 29.5 with a standard deviation of 5.2 on a placement test. What is the 90 % confidence interval for the mean score, $\mu$ , of all students taking the test?

• A) \(28.2 < \mu < 30.8\)
• B) \(28.4 < \mu < 30.6\)
• C) \(27.8 < \mu < 31.2\)
• D) \(27.9 < \mu < 31.1\)

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Definitions:

Paramesonephric Duct System

A pair of embryonic ducts that develop into the female reproductive tract, including structures such as the fallopian tubes, uterus, and part of the vagina in females.

Mesonephric Duct System

Embryonic structures that develop into the male reproductive system and contribute to the female reproductive tract.

Testosterone

Steroid hormone secreted primarily by the testes; aids in spermatogenesis, maintenance and development of male reproductive organs, secondary sexual characteristics, and sexual behavior.

Mullerian-Inhibiting Hormone

A hormone responsible for the regression of Mullerian ducts in the male embryo, crucial for male sex differentiation.