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The California Department of Education Wants to Gauge the Difficulty

question 79

Essay

The California Department of Education wants to gauge the difficulty of a new exam by having a sample of students at a particular school take the exam. The quality of the students at the chosen school varies widely and the school administrators are allowed to choose who gets to take the exam. The administrators have a strong incentive for the school to do well on the exam. Do you think the results will represent the true ability of the students at school? What kind of bias, if any, do you think will be present? Explain.


Definitions:

Effect Size

A measure that quantifies the strength of the relationship between two variables.

Null Hypothesis

A statement suggesting that there is no significant effect or difference in a given population, serving as a starting assumption for statistical significance testing.

Internal Growth Rate

The maximum rate at which a company can expand using only internally generated financing without resorting to external financing.

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