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Calculate a confidence interval for mean body temperature

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Reference no: EM132847039

A study by researchers at the University of Maryland addressed the question of whether the mean body temperature of humans is 98.6oF. Researchers obtained the body temperatures of 93 healthy humans. Data is at the end of the question.

a) Obtain a probability plot, boxplot, and histogram (12 bins) for the data. distribution?

b) Based on your answer to part 'a', see if you can apply the z-interval procedure to these data and why

c) Calculate a 95% confidence interval for the mean body temperature of all healthy humans. Assume that the standard deviation of the population is known to be
σ = 0.63oF. Show calculations.

d) Obtain the interval using MiniTab and output the result.

e) what does the 95% confidence interval for the mean mean.

f) Why does the result surprise you

Data

Body Temp 98 97.6 98.8 98 98.8 98.8 97.6 98.6 98.6 98.8 98 98.2 98 98 97 97.2 98.2 98.1 98.2 98.5 98.5 99 98 97 97.3 97.3 98.1 97.8 99 97.6 97.4 98 97.4 98 98.6 98.6 98.4 97 98.4 99 98 99.4 97.8 98.2 99.2 99 97.7 98.2 98.2 98.8 98.1 98.5 97.2 98.5 99.2 98.3 98.7 98.8 98.6 98 99.1 97.2 97.6 97.9 98.8 98.6 98.6 99.3 97.8 98.7 99.3 97.8 98.4 97.7 98.3 97.7 97.1 98.4 98.6 97.4 96.7 96.9 98.4 98.2 98.6 97 97.4 98.4 97.4 96.8 98.2 97.4 98

Reference no: EM132847039

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