Examlex
TABLE 9-9
The president of a university claimed that the entering class this year appeared to be larger than the entering class from previous years but their mean SAT score is lower than previous years. He took a sample of 20 of this year's entering students and found that their mean SAT score is 1,501 with a standard deviation of 53. The university's record indicates that the mean SAT score for entering students from previous years is 1,520. He wants to find out if his claim is supported by the evidence at a 5% level of significance.
-Referring to Table 9-9, which of the following best describes the Type I error?
Fiscal Year
A one-year period used for accounting and financial purposes, which may or may not align with the calendar year.
Founding Fathers
The group of leaders who laid the foundational governance structures of the United States and were instrumental in the drafting of key documents such as the Declaration of Independence and Constitution.
Northwest Ordinance
An act of the Congress of the Confederation of the United States passed in 1787 to create a structured settlement of the Northwest Territory and establish a precedent for the admission of future states.
Competitive Elections
Electoral contests where multiple candidates or parties have a realistic chance of winning, allowing for genuine political competition.
Q55: The amount of time required for an
Q72: Referring to Table 9-3,the p-value of the
Q107: Referring to Table 10-7,the decision rule is
Q129: Referring to Table 10-12,the null hypothesis should
Q137: Referring to Table 8-8,the critical value for
Q153: The Central Limit Theorem ensures that the
Q160: An agronomist wants to compare the crop
Q167: If you were constructing a 99% confidence
Q168: Referring to Table 11-7,the decision made at
Q176: Referring to Table 8-14,the size of the