Question: A company claims that its 8 ounce low fat yogurt cups contain
A company claims that its 8-ounce low-fat yogurt cups contain, on average, at most 150 calories per cup. A consumer agency wanted to check whether or not this claim is true. A random sample of 10 such cups produced the following data on calories.
Test using a 2.5% significance level whether the company’s claim is true. Assume that the numbers of calories for such cups of yogurt produced by this company have an approximate normal distribution.
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