Suppose the Ages of Students in Statistics 101 Follow a Right

question 21

Multiple Choice

Suppose the ages of students in Statistics 101 follow a right skewed distribution with a mean of
23 years and a standard deviation of 3 years.If we randomly sampled 100 students, which of the
Following statements about the sampling distribution of the sample mean age is incorrect?

• A) The mean of the sampling distribution is equal to 23 years.
• B) The standard deviation of the sampling distribution is equal to 3 years.
• C) The shape of the sampling distribution is approximately normal.
• D) The standard error of the sampling distribution is equal to 0.3 years.

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Definitions:

Calendar

A system of organizing days for social, religious, commercial, or administrative purposes, often based on lunar, solar, or lunisolar cycles.

Interdependence

A relationship between entities where each is mutually dependent on the other, often found in ecological systems, economies, and social relationships.

Vulnerability

The susceptibility of a system, entity, or individual to harm or damage when exposed to a hazardous agent or situation.

Infectious Diseases

Illnesses caused by organisms such as bacteria, viruses, fungi, or parasites, that can be spread, directly or indirectly, from one person to another.