In 1990, the Average Math SAT Score for Students at One

question 7

Multiple Choice

In 1990, the average math SAT score for students at one school was 510. Five years later, a teacher wants to perform a hypothesis test to determine whether the average math SAT score of students at the school has changed from the 1990 mean of 510. Formulate the null and alternative hypotheses for the study described.

• A) \(\mathrm { H } _ { 0 } : \mu = 510\)
• \(\mathrm { H } _ { \alpha } : \mu > 510\)
• B) \(\mathrm { H } _ { 0 } : \mu = 510\)
• \(\mathrm { H } _ { \alpha } : \mu < 510\)
• C) \(\mathrm { H } _ { 0 } : \mu = 510\)
• \(\mathrm { H } _ { \alpha } : \mu \neq 510\)
• D) \(\mathrm { H } _ { 0 } : \mu \geq 510\)
• \(\mathrm { H } _ { \alpha } : \mu < 510\)

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Definitions:

Peremptory Challenges

In the course of picking a jury, lawyers have the authority to turn down a predetermined number of potential jurors, no explanation required.

Challenges for Cause

A method during jury selection that allows attorneys to exclude a potential juror for a specific, articulated reason suggesting that the juror is incapable of delivering an impartial verdict.

Certified Class

In a legal context, a group of individuals certified by a court to act collectively in a class action lawsuit.

Class Action Lawsuit

A legal action filed by one or more plaintiffs on behalf of a larger group who are affected by the same issue, seeking collective compensation or remedy.