How is the sample size related to the margin of error and confidence level? What is the impact of S.D. on sample size? Comments with justification. Also fill in the blanks showing necessary calculations in each case: Margin of error      S .D.      Confidence Level        Sample Size  0.4274    5.33           95%                         ________ 0.8548.    4.79         ___________.              209 0.7948     ______             90%                     249 0.2129       5.79       __________.             2841 __________.  2.54         90%                      3720

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