Use the Data Given Below to Answer the Following Question(s)

question 2

Essay

Use the data given below to answer the following question(s).
The following extract from a manufacturer's database shows a sample of 10 suppliers, their transportation charges, and the estimated and actual total costs of supplying materials.(Note: Assume a significance level of 0.05 wherever necessary.)
$$\begin{array} { | c | c | c | c | } \hline \text { Supplier } & \begin{array} { c } \text { Transportation } \\\text { Charges }\end{array} & \begin{array} { c } \text { Estimated Total } \\\text { Cost }\end{array} & \text { Actual Total Cost } \\\hline \text { Peter } & 340 & 4,500 & 4,680 \\\hline \text { John } & 560 & 4,500 & 4,790 \\\hline \text { Martin } & 480 & 4,500 & 5,110 \\\hline \text { Philip } & 290 & 4,500 & 4,780 \\\hline \text { Mark } & 370 & 4,500 & 4,810 \\\hline \text { Thomas } & 520 & 4,500 & 4,770 \\\hline \text { Taison } & 350 & 4,500 & 5,250 \\\hline \text { David } & 430 & 4,500 & 4,930 \\\hline \text { Carter } & 510 & 4,500 & 5,010 \\\hline \text { Leonard } & 270 & 4,500 & 4,810 \\\hline\end{array}$$
-On studying the database, the manufacturer found out that the average difference between the estimated and actual total costs was $426.Based on the sample data, can the manufacturer conclude that the average difference between the estimated and actual total costs is different from zero?

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Definitions:

Moral Development

The process by which individuals develop their understanding of morality and ethical behavior, often conceptualized as progressing through stages.

Gender Differences

Variations in characteristics, behaviors, or roles typically associated with being male or female.

Kohlberg's Model

A theory proposed by Lawrence Kohlberg that outlines stages of moral development in individuals, emphasizing the progression of moral reasoning capability.

Ethical Theories

Philosophical ideas about what is morally right and wrong or good and bad.