Suppose you calculate a 99% confidence interval of 13.01 to 21.4. Determine the margin of erro

Answer 1

mean = the average of 13.01 and 21.4 = (13.01+ 21.4)/2 = 34.41/2 = 17.205

margin of error = endpoint minuse midpoint

= 21.4 -17.205 = 4.195

= 17.205-13.01 = 4.195