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:

Excess Cost

The amount by which the cost of acquisition exceeds the fair value of the net identifiable assets of a company, often allocated to goodwill or specific intangible assets.

Book Value

Book value is the value of an asset according to its balance sheet account balance, calculated by subtracting any liabilities or obligations related to the asset from its original cost.

Fair Value

The amount one would get from selling an asset or the cost to move a liability in a structured exchange among market players on the evaluation date.

Equity Method

An accounting method used to assess the profits earned by investments in other companies, where the investment is recorded at cost and adjusted according to the investor's share of the investee's profit or loss.