Salt-free diets are often prescribed to people with high blood pressure. The following data were obtained from an experiment designed to estimate the reduction in diastolic blood pressure as a result of following a salt-free diet for two weeks. Assume diastolic readings to be normally distributed.
Before 93 106 87 92 102 95 88 110
After 92 102 89 92 101 96 88 105
Find the 98% confidence interval for the mean reduction. I need to find the answer using a TI84 calculator. Thanks.
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