A Statistics Teacher Wants to See If There Is Any $\begin{array}{ll}&\text { Today } & \text { Five Years Ago } \\\bar {x}&82 & 88 \\\sigma^2&112.5 & 54 \\n&45 & 36\end{array}$

question 35

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. $\begin{array}{ll}&\text { Today } & \text { Five Years Ago } \\\bar {x}&82 & 88 \\\sigma^2&112.5 & 54 \\n&45 & 36\end{array}$
The p-value for the difference between the two population means is

• A) .0013.
• B) .0026.
• C) .4987.
• D) .9987.

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Definitions:

Investment Account

An account held at a financial institution which allows an individual to deposit funds and make investments in securities and other assets.

Debit/Credit

Fundamental aspects of all accounting transactions, where debits are entries on the left side, and credits are entries on the right side, used to record business transactions in the ledger.

Dividend

Money dispensed by a corporation to its owners/shareholders, generally from the company's earnings.

Investment Income

Income coming from interest payments, dividends, capital gains, and other profits made through an investment.