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

question 16

Short Answer

SCENARIO 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 Scenario 9-9,the lowest level of significance at which the null hypothesis can still be rejected is .

---

Definitions:

Function

A connection between a collection of inputs and a group of allowable outputs where each input is tied to only one output.

Graph

A diagram showing the relation between variable quantities, typically of two variables measured along a pair of axes at right angles.

Function

An association involving a series of inputs and an approved set of outputs, where every input corresponds to a singular output.

Standard Form

In mathematics, it often refers to a way of writing numbers using digits, or a specific format for linear equations, depending on the context.