A Telephone Company Prepared Four Versions of a Set of Instructions

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?