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Salt-free diets are often prescribed to people with high blood pressure. The following data values were obtained from an experiment designed to estimate the reduction in diastolic blood pressure as a result of consuming a salt-free diet for 2 weeks. Assume diastolic readings to be normally distributed.
What is the point estimate for the mean reduction in the diastolic reading after two weeks on this diet?
Find the 99% confidence interval for the mean reduction. (Give your answers correct to two decimal places.)
Lower limit:
Upper limit
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