Given the Following Information About a Hypothesis Test of the Difference

question 30

Multiple Choice

Given the following information about a hypothesis test of the difference between two means based on independent random samples,which one of the following is the correct rejection region at a significance level of .05? H_A: μ_A > μ_B,
= 12,
= 9,s₁ = 4,s₂ = 2,n₁ = 13,n₂ = 10.

• A) Reject H₀ if t > 1.96.
• B) Reject H₀ if t > 1.645.
• C) Reject H₀ if t > 1.721.
• D) Reject H₀ if t > 2.08.
• E) Reject H₀ if t > 1.782.

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Definitions:

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the asset's consumption or wear and tear.

Installation Costs

Expenses associated with putting fixed assets into operation, including the costs of setting up, assembling, and installing the assets.

Residual Value

The estimated amount that an asset is expected to realize at the end of its useful life.

Straight-Line Method

A depreciation method that allocates an equal amount of depreciation expense for an asset over its useful life.