Write the Word or Phrase That Best Completes Each Statement $\frac { \bar { x } - 71 } { 11 / \sqrt { 35 } }$

question 50

Essay

Write the word or phrase that best completes each statement or answers the question.
-Scores on a test are normally distributed with a mean of 71 and a standard deviation of 11. For samples of size 35, which of the two variables below has more variation? Why? What is the distribution of each of the variables?
(a) $\frac { \bar { x } - 71 } { 11 / \sqrt { 35 } }$

(b) $\frac { \bar { x } - 71 } { s / \sqrt { 35 } }$

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Definitions:

Balance Sheet

A report detailing a business's assets, liabilities, and equity held by shareholders at a certain moment.

Revenue

The total amount of money received by a company from its business activities, such as sales of goods or services, before any expenses are subtracted.

Expense Accounts

Accounts used to record transactions relating to expenses incurred by a business, such as costs for materials, utilities, and salaries.

Common Stock

Equity securities representing ownership in a corporation, giving holders voting rights and a share in the company’s profits through dividends.