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:

Earnings Distributed

The portion of a company's profit paid out to shareholders, typically in the form of dividends.

Intraperiod Tax Allocation

This accounting technique involves allocating income tax expense or benefit among different components of comprehensive income within a single reporting period.

Continuing Operations

The segments or activities of a business that are expected to continue for the foreseeable future and are not classified as discontinued.

Disposal

The act of getting rid of an asset through sale, scrapping, or other methods, often resulting in a gain or loss in financial accounting.