A Health Educator Wants to Evaluate the Effect of a Dental

question 37

Multiple Choice

A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded. Assume you are evaluating H 0 with the t test.Using a = .05 2 tail , t crit = _________.

• A) +2.365
• B) ±2.365
• C) ±2.145
• D) +2.365.

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Definitions:

Supplies Account

An account used to track the cost of supplies used by a business during an accounting period.

Adjusting Entries

Journal entries made at the end of an accounting period to allocate income and expenditure to the correct accounting periods, ensuring the financial statements are in accordance with the accrual basis of accounting.

Annual Accounting Period

A 12-month timeframe over which a company measures its financial performance and prepares financial statements.

Chart of Accounts

A structured list of all the financial accounts in the general ledger of a company, organizing financial transactions during an accounting period.