At the a 05 level is there sufficient evidence that the


The Chocolate Chip Cookies store claims that the average 1-ounce chocolate chip cookie contains less than 100 calories. A random sample of 16 different brands of 1-ounce chocolate chip cookies resulted in the following calorie amounts. 

80 125 80 160 125 105 155 120 90 100 150 80 100 120 110 100

At the α = .05  level, is there sufficient evidence that the average calorie content is less than 100 calories?

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Basic Statistics: At the a 05 level is there sufficient evidence that the
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