Multiple Choice
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
HA : ?=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.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Which of the following would increase the
Q2: A skeptical paranormal researcher claims that the
Q3: A large software development firm recently
Q5: A large software development firm recently relocated
Q6: Marcy's Consignment shop is based in
Q7: The average diastolic blood pressure of
Q8: In the past, the mean running
Q9: Top management of a large multinational
Q10: A pharmaceutical company has a drug
Q11: An entomologist writes an article in a