Use the Sign Test to Test the Indicated Claim

question 93

Essay

Use the sign test to test the indicated claim. An instructor gives a test before and after a lesson and results from
randomly selected students are given below. At the 0.05 level of significance, test the claim that the lesson has no effect
on the grade. Use the sign test. $$\begin{array} { | l l l l l l l l l l l l l l l l } \hline \text { Before } & 54 & 61 & 56 & 41 & 38 & 57 & 42 & 71 & 88 & 42 & 36 & 23 & 22 & 46 & 51 \\\text { After } & 82 & 87 & 84 & 76 & 79 & 87 & 42 & 97 & 99 & 74 & 85 & 96 & 69 & 84 & 79\end{array}$$

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Definitions:

Nature/Nurture Debate

A longstanding discussion regarding the relative importance of genetics (nature) and environment (nurture) in determining individual behavior and traits.

Reported Opinion

A judicial decision that is published in legal reporters or databases, making it accessible for reference and citation.

Essential Facts

Fundamental or necessary information crucial to the foundation and outcome of a legal case or argument.

Pleadings

Documents filed with a court by parties to a legal action that detail their respective claims, defenses, and other material information relevant to the case.