204 (3) In cell C215, determine the margin of error for the 200-day sample with a = 0.05. For your 205 Average -> 97.465 calculation, assume t199,.025 = 1.972. 206 207 (4) In cell C220, determine the lower confidence limit for a 95% confidence interval. In cell 208 C221 determine the upper confidence limit for a 95% confidence interval. 209 210 St Dev -> 47.7407 (5) Measures over 100 are considered unhealthy for at least some people. Does your confidence 211 interval include 100? In cell C225, enter 1 if 100 is included in the confidence interval, and 0 212 if not. 213 214