The Data Below Give the Weights in Ounces of Randomly-Selected

question 41

Multiple Choice

The data below give the weights in ounces of randomly-selected bars of bath soap produced by two different molding machines. The question of interest is whether these two molding machines produce soap bars of differing average weight. Find the P-value for the this test assuming that the weights for the two machines are approximately normal..

• A)0.014
• B)0.311
• C)0.038
• D)0.054

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Definitions:

Payback Period

The duration needed to recoup the expenses of an investment.

Simple Rate of Return

A financial metric used to evaluate the efficiency of an investment or to compare the efficiencies of several investments, calculating net annual profit divided by initial investment cost.

Depreciates Assets

The process of allocating the cost of a tangible asset over its useful life, reflecting wear and tear, deterioration, or obsolescence.

Discount Rate

The interest rate used to discount future cash flows to present value, often used in investment and project valuation.