TABLE 9-9 The President of a University Claimed That the Entering Class

question 12

True/False

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.
-True or False: Referring to Table 9-9,the null hypothesis would be rejected.

---

Definitions:

Marginal Tax Rate

The rate at which an additional dollar of income would be taxed, reflecting the percentage of each additional dollar that is paid in tax.

Income Tax Schedule

A chart or table displaying the rates to be applied to income ranges for calculating the amount of income tax due.

Taxable Income

The portion of an individual's or entity's income used as the base for calculating income tax owed to the government.

Average Tax Rate

The ratio of the total amount of taxes paid to the total income, indicating how much of one's income goes to taxes.