A Test of Driving Ability Is Given to a Random

question 90

Essay

A test of driving ability is given to a random sample of 10 student drivers before and after they complete a formal driver education course.Results follow.
$\begin{array}{cccc}&\text { Before } &\text { After } \\\text { Student }&\text { Class }&\text { Class }&\text { Difference }\\1 & 100 & 136 & -36 \\2 & 121 & 129 & -8 \\3 & 93 & 125 & -32 \\4 & 146 & 150 & -4 \\5 & 101 & 110 & -9 \\6 & 109 & 138 & -29 \\7 & 149 & 136 & 13 \\8 & 130 & 130 & 0 \\9 & 127 & 125 & 2 \\10 & 120 & 129 & -9\end{array}$
Write the null and alternative hypotheses testing the claim that the test score is not affected by the course.

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Definitions:

Balance Sheet

A report cataloging a company's total assets, financial obligations, and equity owned by shareholders at a specific moment.

Services Provided

Activities performed by a company or an individual to fulfill the needs or requirements of its customers, without resulting in the ownership of any physical products.

Billed

The process of sending or presenting an invoice to customers for goods or services provided.

Customers

Persons or organizations that buy products or services from a company.