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Status: Waiting for your answers.

Given: Sentences were chosen at random from J. R. R. Tolkien's book The Lord of the Rings. The number of words in the sentences were counted. This is the result. 20 6 16 3 22 9 21 12 8 18 21 21 15 12 15 23 17 12 18 22 21 6 12 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 [, ]