School enrollment officials observed a change in the distribution of the number of students acress grades and were not sure whether the new distribution was what they should have expected. Test the following data for goodness of fit at the 0.05 level of significance

Grade 1 2 3 4 5 6

Number of students 309 432 346 432 369 329

Half the marketing staff of a candy company argue that all these candy bars taste the same and are barely different from one another. The other half disagrees. Who is right?

Candy bar Number of People Out of 100

Who Perfer Nuts & Grits 9 Bacon Surprise 27 Dimples 16 Froggy 17 Chocolate Delight 31