Suppose the Ages of Students in Your Program Follow a Positively

question 103

Multiple Choice

Suppose the ages of students in your program follow a positively skewed distribution with mean of 24 years and a standard deviation of 4 years.If we randomly sampled 100 students,which of the following statements about the sampling distribution of the sample mean age is NOT true?

• A)The mean of the sampling distribution of sample mean is equal to 24 years.
• B)The standard deviation of the sampling distribution of sample mean is equal to 4 years.
• C)The shape of the sampling distribution of sample mean is approximately normal.
• D)All of these choices are true.

---

Definitions:

Algorithm

An algorithm is a specific, step-by-step procedure for solving a problem or accomplishing some end, typically by a computer.

Heuristic

A problem-solving approach that employs a practical method not guaranteed to be perfect, but sufficient for reaching an immediate goal.

Fixedness

A cognitive bias that limits a person to using an object only in the way it is traditionally used, hindering problem-solving and creativity.

Representativeness Heuristic

A mental shortcut that involves making a probability judgment by comparing an object or event to a prototype of the object or event.