14. M&M/MARS, makers of M&M Chocolate Candies, conducted a national poll in which consumers indicated their preference for colors. In the brochure "Colors," made available by M&M/MARS Consumer Affairs, the traditional distribution of colors for the plain can- dies is as follows: Brown Yellow Red Orange Green Blue 30% 20% 20% 10% 10% 10%

In a follow-up study, 1-pound bags were used to determine whether the reported percent- ages were valid. The following results were obtained for a sample of 506 plain candies. Brown 177 Yellow Red Orange Green Blue 135 79 41 36 38 Use a = .05 to determine whether these data support the percentages reported by the company.