For Questions Below , Use the Following: a Researcher Selects

question 21

Short Answer

For questions below , use the following: A researcher selects a random sample of 8 high school students. Each student is tested on both Need Achievement and Mechanical Aptitude. The scores were: $$\begin{array} { c c c } \text { Subject } & \text { Need Achievement } & \text { Mechanical Aptitude } \\1 & 12 & 10 \\2 & 2 & 3 \\3 & 5 & 7 \\4 & 9 & 5 \\5 & 11 & 9 \\6 & 10 & 8 \\7 & 4 & 6 \\8 & 1 & 3\end{array}$$
-Should Ho be rejected or accepted? And if rejected, state the significance level.

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Definitions:

Estimated Life

The expected period over which an asset will be utilized or useful, often used for the purpose of depreciation or amortization calculations.

Depreciable Cost

The total cost of a fixed asset that can be depreciated over its useful life, excluding salvage value.

Residual Value

The estimated salvage value or the value of an asset at the end of its useful life.

Accumulated Depreciation

A cumulative account that records the depreciation expense of an asset, reducing its book value over time.