Use the Given Information to Find the Minimum Sample Size $\mu$

question 61

Multiple Choice

Use the given information to find the minimum sample size required to estimate an unknown population mean $\mu$
-How many students must be randomly selected to estimate the mean weekly earnings of students at one college? We want 95% confidence that the sample mean is within $2 of the population mean, and the
Population standard deviation is known to be $60.

• A) 3047
• B) 2435
• C) 4886
• D) 3458

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Definitions:

Null Hypothesis

A statement in statistical inference that suggests there is no significant effect or difference for a specific experiment.

Dormitory Regulations

Rules and guidelines established to manage residential facilities for students.

Student Attitude

Refers to students' perspectives, feelings, and beliefs about their learning environment, subjects, or education in general, which can significantly impact their academic performance.

Null Hypothesis

A statement of no effect or no difference, which serves as the default assumption to test against in hypothesis testing.