Confidence Interval, statistics homework help
Confidence Interval, statistics homework help
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.
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