Perform the Indicated Sign Test $$\alpha = 0.05$$

question 39

Essay

Perform the indicated sign test. Be sure to do the following: Identify the claim mathematically and state the null and
alternative hypotheses. Determine the critical value and find the test statistic. Decide whether to reject or fail to reject
the null hypothesis and interpret the decision in the context of the original claim.
-Nine students took the SAT test. Their scores are listed below. Later on, they took a test preparation course and
retook the SAT. Their new scores are listed below. Use the sign test to test the claim that the test preparation
has no effect on their scores. Use $$\alpha = 0.05$$ $$\begin{array} { l c c c c c c c c r } \hline \text { Student } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \\\hline \text { Before Score }& 860 & 820 & 910 & 990 & 1000 & 930 & 870 & 1180 & 920 \\\text { After Score } & 880 & 820 & 900 & 1030 & 1030 & 940 & 860 & 1220 & 940 \\\hline\end{array}$$

Assess the consequences of downsizing on employee behavior and morale.

Evaluate the role of fair treatment and equity perceptions in downsizing outcomes.

Learn effective and ineffective downsizing practices and their outcomes.

Analyze the influence of downsizing on employee retention and turnover.

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Definitions:

Management Accountant

A professional specializing in accounting who focuses on internal financial processes, budgeting, and cost analysis to aid management decision-making.

Alternatives

Options or choices available in a given situation.

Joint Costs

Costs incurred in the process of producing two or more products simultaneously up to the point of separation.

Split-off Point

The stage in the manufacturing process where joint products are recognizable as separate products and can be individually processed further or sold.