Construct an 86% confidence interval around the sample mean of the decrease in the diastolic pressure reading of those who took the placebo. Show your n, PE, t, SE, ME and interval. Discuss the interpretation of the Confidence Interval.  8.09sample mean 26.82sample standard deviation 1000n, sample size 0.86level of confidence

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Construct an 86% confidence interval around the sample mean of the decrease in the diastolic pressure reading of those who took the placebo. Show your n, PE, t, SE, ME and interval. Discuss the interpretation of the Confidence Interval.

 8.09 sample mean 26.82 sample standard deviation 1000 n, sample size 0.86 level of confidence

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Step 1

The degrees of freedom is obtained as follows:

Step 2

The value of  is obtained by using Excel.

Step 3

From the output, the value of  is 1.478 for 86% confidence.

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