A Telephone Company Prepared Four Versions of a Set of Instructions

question 46

Essay

A telephone company prepared four versions of a set of instructions for placing collect calls. The company asked a sample of 1600 people which one of the four forms was easiest to understand. In the sample, 425 people preferred Form A, 385 preferred Form B, 375 preferred Form C, and 415 preferred Form
D.At the 5% level of significance, can one conclude that in the population there is a preferred form?

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Definitions:

Economic Growth

Economic Growth is the increase in a country's production of goods and services over time, typically measured as the percentage increase in real GDP.

Direct Foreign Investment

An investment from a company or individual in one country into the business landscape of another country, through starting new business operations or buying existing business assets.

U.S. Trade Deficits

The situation where the total value of goods and services imported by the United States exceeds the total value of goods and services it exports.

Recession

A period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters.