It is reported that scores on a particular test of historical trivia given to high school students are
approximately normally distributed with a mean of 85. Mrs. Rose believes that her 5 classes of
high school seniors will score significantly better than the national average on this test. At the
end of the semester, Mrs. Rose administers the historical trivia test to her students. The students
score an average of 89 on this test. After conducting the appropriate statistical test, Mrs. Rose
finds that the p-value is .0025. Which of the following is the best interpretation of the p-value?
a)A p-value of .0025 provides strong evidence that Mrs. Rose\'s class outperformed high school
students across the nation. b) A p-value of .0025 indicates that there is a very small chance
that Mrs. Rose\'s class outperformed high school students across the nation. c)A p-value of
.0025 provides evidence that Mrs. Rose is an exceptional teacher who was able to prepare her
students well for this national test. d)None of the above.
Solution
Answer: a) A p-value of .0025 provides strong evidence that Mrs. Rose\'s class
outperformed high school students across the nation..
It is reported that scores on a particular test of historical trivia.pdf
1. It is reported that scores on a particular test of historical trivia given to high school students are
approximately normally distributed with a mean of 85. Mrs. Rose believes that her 5 classes of
high school seniors will score significantly better than the national average on this test. At the
end of the semester, Mrs. Rose administers the historical trivia test to her students. The students
score an average of 89 on this test. After conducting the appropriate statistical test, Mrs. Rose
finds that the p-value is .0025. Which of the following is the best interpretation of the p-value?
a)A p-value of .0025 provides strong evidence that Mrs. Rose's class outperformed high school
students across the nation. b) A p-value of .0025 indicates that there is a very small chance
that Mrs. Rose's class outperformed high school students across the nation. c)A p-value of
.0025 provides evidence that Mrs. Rose is an exceptional teacher who was able to prepare her
students well for this national test. d)None of the above.
Solution
Answer: a) A p-value of .0025 provides strong evidence that Mrs. Rose's class
outperformed high school students across the nation.
