---

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. 12 16 6 5 5 3 7 10 22 20 22 5 5 21 18 22 9 16 10 6 17 12 3 14 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 [, ]