An Independent T-Test Is Used to Test for

question 3

Multiple Choice

An independent t-test is used to test for

• A) Differences between means of groups containing different people when the data are normally distributed, have equal variances and data are at least interval.
• B) Differences between means of groups containing different people when the data are not normally distributed or have unequal variances.
• C) Differences between means of groups containing the same people when the data are normally distributed, have equal variances and are at least interval.

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Definitions:

Straight-line Method

A method for calculating depreciation of an asset, which assumes the asset will lose an equal amount of value each year over its useful life.

Depreciation Expense

The allocation of the cost of an asset over its useful life, reflecting the decrease in value of the asset over time due to usage, wear and tear, or obsolescence.

Telephone System

A communication network designed for the purpose of transmitting voice over distances.

Useful Life

The estimated duration an asset is expected to be functional and valuable for, used for depreciation calculations.