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Status: Waiting for your answers.

Given: Sentences were chosen at random from Carl Sagan's book The Demon-Haunted World. The number of words in the sentences were counted. This is the result. 7 15 18 3 11 23 21 8 18 13 7 3 22 22 18 12 17 18 12 19 10 15 9 4 Problem: Use the data above to: a) determine the mean and sample standard deviation, b) calculate a 95% margin of error, c) determine the respective confidence interval.     Mean (x̄) = Sample Standard Deviation (s) = Margin of Error = The confidence interval is [, ]