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:

Groupthink

A psychological phenomenon occurring within a group of people, where the desire for harmony or conformity results in an irrational or dysfunctional decision-making outcome.

Groupthink

A psychological phenomenon that occurs within a group of people when the desire for harmony results in an irrational or dysfunctional decision-making outcome.

Watergate

A major political scandal in the United States involving the administration of President Richard Nixon that led to his resignation.

Bay Of Pigs

The site of an unsuccessful attempted invasion of Cuba by Cuban exiles, sponsored by the U.S. government, in April 1961.