A large study involving over 20,000 individuals shows that the mean percentage intake of kilocalories from fat was 39% with a...
jshltoA large study involving over 20,000 individuals shows that the mean percentage intake of
kilocalories from fat was 39% with a range from 6% to 72%. A small sample study was
conducted at a university hospital to determine if the mean intake of patients at that hospital was
different from 39%. A sample of 15 patients had a mean intake of 40.8% with a standard
deviation equal to 6.5%. Assume that the sample is from a normally distributed population. What evidence do you have that the assumption of normality is reasonable? Explain.
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