A Random Sample of 15 Families Representing Three Social Classes

question 30

Essay

A random sample of 15 families representing three social classes has been observed for the frequency with which the parents administer physical punishment to the children over a period of a week.Are the differences significant? Use the five step model as a guide and write a sentence or two of interpretation for your results.
$\begin{array}{lll}\text { Working } & \text { Middle } & \text { Upper } \\\underline{\text { Class }} & \underline{\text { Class} } & \underline{\text { Class }} \\ 10 & 11 & 7 \\9 & 10 & 5 \\4 & 5 & 2 \\2 & 2 & 0 \\1 & 0 & 0\end{array}$

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Definitions:

Marginal Cost

The supplementary cost resulting from manufacturing an extra unit of a good or service.

Typeset

The arrangement and composition of text in preparation for printing and publication.

Inverse Demand Function

A mathematical expression that describes the relationship between the price of a good and the quantity demanded, showing how price changes as a function of demand.

Unit Tax

A tax that is imposed on a per unit basis, meaning that a specific amount is taxed for each unit of a good or service sold.