In 1990, the average math SAT score for students at one schoolwas 481. Five year

Question

In 1990, the average math SAT score for students at one schoolwas 481. Five years later, a teacher wants to perform a hypothesistest to determine whether the average SAT score of students at theschool has changed from the 1990 mean of 481. Explain the result ofa Type II error. A)The teacher will conclude that the mean math SAT score atthe shool has increased when in fact it is the same. B) The teacher will conclude that the mean math SAT score atthe school is different when in fact it is the same. C) The teacher will conclude that the mean math SAT score atthe school is the same when in fact it is the same. D) The teacher will conclude that the mean math SAT score atthe school is the same when in fact it is different. E) The teacher will conclude that the mean math SAT score atthe school has decreased when in fact it is the same. In 1990, the average math SAT score for students at one schoolwas 481. Five years later, a teacher wants to perform a hypothesistest to determine whether the average SAT score of students at theschool has changed from the 1990 mean of 481. Explain the result ofa Type II error. A)The teacher will conclude that the mean math SAT score atthe shool has increased when in fact it is the same. B) The teacher will conclude that the mean math SAT score atthe school is different when in fact it is the same. C) The teacher will conclude that the mean math SAT score atthe school is the same when in fact it is the same. D) The teacher will conclude that the mean math SAT score atthe school is the same when in fact it is different. E) The teacher will conclude that the mean math SAT score atthe school has decreased when in fact it is the same.

Explanation / Answer

Answer: D

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