A Statistics Teacher Wants to See If There Is Any $$\begin{array}{l}\text { Today } \quad \text { Five Y ears Ago }\\\begin{array} { l l } 82 & 88 \\112.5 & 54 \\45 & 36\end{array}\end{array}$$

question 53

Multiple Choice

A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago.A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken.You are given the following information. $$\begin{array}{l}\text { Today } \quad \text { Five Y ears Ago }\\\begin{array} { l l } 82 & 88 \\112.5 & 54 \\45 & 36\end{array}\end{array}$$
The 95% confidence interval for the difference between the two population means is

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Definitions:

Unrecorded Revenue

Revenue that has been earned but has not yet been documented in the accounting records.

Revenues

The income generated from normal business operations, often from the sale of goods and services to customers.

Expenses

Costs incurred by a business in the process of earning revenues.

Revenue Recognition Principle

The concept that supports recording revenues when services have been performed or products delivered to customers.