. Question 2 v Assume that a sample is used to estimate a population mean ,u. Find the margin of error M.E. that corresponds to a sample of size 22 with a mean of 27.4 and a standard deviation of 20.5 at a confidence level of 98%. Report ME accurate to one decimal place because the sample statistics are presented with this accuracy. ME. =:] Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places. Question Help: El Video Submit