According to the manufacturer of Skittles, there are five colors in a bag and they are uniformly distributed. A student wanted to determine whether a randomly selected bag of Skittles had contents that followed this distribution. The student randomly selected one 16 ounce bag containing 400 Skittles. He counted the number of Skittles that were of each color and obtained the results shown in the table. Test the claim that Skittles follow the distribution stated by the manufacturer at the a=0.05 level of significance. Show a filled out formula for the test statistic.

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