At the beginning of a study on the effect of calcium in the diet on blood pressure, researchers measured the seated systolic blood pressure of 27 healthy white males. The paper reporting the study...

Extracted text: At the beginning of a study on the effect of calcium in the diet on blood pressure, researchers measured the seated systolic blood pressure of 27 healthy white males. The paper reporting the study gives š = 114.9 and s = 9.3. (a) Construct a 98% confidence interval: (i) Draw the density curve of x and mark the middle area. (ii) Draw the density curve of t and mark the middle area. (iii) We are % confident that the population mean is between to