The Net Weights (In Grams) of a Sample of Bottles

question 66

Multiple Choice

The net weights (in grams) of a sample of bottles filled by a machine manufactured by Edne, and the
Net weights of a sample filled by a similar machine manufactured by Orno, Inc., are:
Testing the claim at the 0.05 level that the mean weight of the bottles filled by the Orno machine is
Greater than the mean weight of the bottles filled by the Edne machine, what is the critical value of
T? Assume equal standard deviations for both samples.

• A) +2.179
• B) +2.145
• C) +1.782
• D) +1.761

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Definitions:

Mutually Exclusive

A statistical term describing two or more events that cannot occur simultaneously.

Salvage Value

The estimated residual value of an asset at the end of its useful life, important for depreciation calculations.

Internal Rate Of Return (IRR)

The discount rate that makes the NPV of an investment zero.

Straight-Line Depreciation

A technique for distributing the expense of a physical asset evenly across its lifespan in identical yearly payments.