Expert answer:Confidence Interval, statistics homework help

  

Answer & Explanation:The body temperature in degrees Fahrenheit of 52 randomly chosen healthy adults is measured with the following summary of the data:n = 52, ¯ x = 98.2846 s = 0.6824(a) Find a 98% confidence interval for the mean body temperature and explain its meaning.(b) Give a two-sided hypothesis test for a mean body temperature of 98.6o Fahrenheit and use the information above to evaluate a test with significance level α = 0.02. Remember to check or justify whether or not the conditions are met, sketch a bell-shaped diagram showing the direction(s) of the test, and write a concluding statement.2

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