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Use t-distribution and critical-value approach A resturant says that its hamburgers have 10 grams of fat....

Use t-distribution and critical-value approach

A resturant says that its hamburgers have 10 grams of fat. You work for a nutritional health agency and are asked to test this whether they actually have more than this. You find that a random sample of 9 hamburgers has a mean fat context of 13.5 grams and a stamdard deviation of s=5.8 grams. At a=0.10, do you have enough evidence to reject the resturants claim?

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