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:

Comparative Information

Data or insights presented in a way that allows for comparison between different entities or variables.

Supporting Materials

Additional information or evidence used to reinforce a point, argument, or conclusion in speech or writing.

Repetitive Reports

Reports that are produced on a recurring basis (daily, weekly, monthly) to track and record consistent data over time.

Appendix

A supplementary material at the end of a book, document, or report, containing additional information.