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:

Erroneous Reconstructions

Incorrectly pieced together memories or perceptions, often resulting from misinformation or memory distortions.

Schemata Representations

The mental structures that individuals use to organize and understand information.

Stimulants

Substances that increase alertness, attention, and energy by elevating the levels of certain chemicals in the brain.

Maze Learning

A method used in cognitive psychology and animal behavior studies to assess spatial learning and memory.