Suppose the Ages of Students in Statistics 101 Follow a Skewed-Right

question 131

Multiple Choice

Suppose the ages of students in Statistics 101 follow a skewed-right 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 shape of the sampling distribution is approximately normal.
• C) The standard error of the sampling distribution is equal to 0.3 years.
• D) The standard deviation of the sampling distribution is equal to 3 years.

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Definitions:

Social Problems

Challenges or issues that affect individuals, groups, or societies at large, often requiring collective action to address.

Deter Criminals

Deter criminals involves implementing strategies and laws aimed at discouraging unlawful behavior by increasing the risk of detection, punishment, or both.

Crime Rate

The ratio or percentage of crimes committed in a specified area or population over a given period.

Prison

An institution designed to confine and rehabilitate individuals convicted of crimes.