To Do a One-Tail T Test, as Opposed to a Two-Tail

question 92

Multiple Choice

To do a one-tail t test, as opposed to a two-tail,

• A) the direction of the difference must always be specified beforehand
• B) the direction of the difference need only be specified after null has been rejected
• C) the direction of the difference must only be specified when null is accepted
• D) the direction of the difference becomes irrelevant

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Definitions:

Income Taxes

Taxes levied by governments on the income generated by businesses and individuals within their jurisdiction.

Formal Written Statement

A document that articulates official information or positions in a structured and official manner.

Merchandise Purchases

Transactions involving the buying of goods for resale, typically recorded as inventory in a business's accounting records.

Gross Profit

The difference between revenue and the cost of goods sold before deduction of overheads, payroll, taxation, and interest payments.