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Status: Waiting for your answers.

Given: Sentences were chosen at random from Muhammad ibn Musa al-Khwarizmi's book The Compendious Book on Calculation by Completion and Balancing. The number of words in the sentences were counted. This is the result. 4 3 16 7 15 13 14 11 9 23 17 3 17 6 5 4 13 15 11 23 17 13 16 8 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 [, ]