In 1990, the average math SAT score for students at one school was 472.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 472.The hypotheses are: H₀ :?=472 H_A : ?=472 Explain the result of a Type I error. A)The teacher will conclude that the mean math SAT score at the school is the same when in fact it is different. B)The teacher will conclude that the mean math SAT score at the school is the same when in fact it is the same. C)The teacher will conclude that the mean math SAT score at the school has decreased when in fact it is the same. D)The teacher will conclude that the mean math SAT score at the school is different when in fact it is the same.

Question

Quizplus · Accepted Answer

A Type I error occurs when the null hypothesis is rejected when it is actually true. In this context, it means the teacher would incorrectly conclude that the average math SAT score has changed (is different) from 472 when in reality, it has not changed (is the same).

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