Use the Sign Test to Test the Indicated Claim

question 150

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. $$\begin{array} { l l l l l l l l l l l l l l l l } \text { Before } & 54 & 61 & 56 & 41 & 38 & 57 & 42 & 71 & 88 & 42 & 36 & 23 & 22 & 46 & 51 \\\hline \text { After } & 82 & 87 & 84 & 76 & 79 & 87 & 42 & 97 & 99 & 74 & 85 & 96 & 69 & 84 & 79\end{array}$$

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Definitions:

Estray Statutes

Laws governing the finding and reporting of lost or stray livestock or domestic animals.

Title

A legal term referring to the legal right to own, use, or dispose of property.

Confusion

The mixing together of goods belonging to two or more owners to such an extent that the separately owned goods cannot be identified.

Property

Legal rights over the use, control, and disposition of physical objects, land, or intellectual creations.