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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. 6 11 23 5 5 5 17 18 11 10 6 4 10 23 6 22 13 20 11 10 15 15 21 13 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 [, ]