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Status: Waiting for your answers.

Given: Sentences were chosen at random from Michio Kaku's book The Future of the Mind. The number of words in the sentences were counted. This is the result. 11 3 4 16 4 14 9 19 12 17 6 7 11 12 15 15 7 22 6 6 19 23 4 5 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 [, ]