When Closing a Direct Request, You Should Be Sure to Include

question 20

Multiple Choice

When closing a direct request, you should be sure to include

• A)an apology for taking up the reader's time.
• B)a mention of your own qualifications or status.
• C)the time limits involved in your request.
• D)an indication of the consequences of a failure to reply.

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Definitions:

Test Statistic

A calculated value from sample data used to make decisions about a hypothesis, indicating whether to reject the null hypothesis.

Expected Frequency

The anticipated number of times an event is predicted to happen within a specific time period, based on probability models.

Null Hypothesis

A statement in statistical hypothesis testing that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Total Sample Size

The number of observations or data points collected in a statistical sample.