Ch 2 and Ch 3 Practice Problems - Ch 2 Practice Problems 11 12 13 16 and 21 PSY\/315 11(a The mean is 2(b The median is 2(c The sum of the squared

Ch 2 and Ch 3 Practice Problems - Ch 2 Practice Problems 11...

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Ch. 2 Practice Problems: 11, 12, 13, 16, and 21 PSY/315 11. (a) The mean is 2(b) The median is 2 (c) The sum of the squared deviations (SS) is 56(d) The variance is ≈ 2.67(e) The standard deviation is ≈ 1.6312. (a) The mean is 1312.4(b) The median is 1361(c) The SS is 76089.2(d) The variance is 15217.84(e) The standard deviation ≈123.36 13. (a) The mean is ≈ 3.167 (b) The median is 3.25 (c) The SS is ≈ .533 (d) The variance is ≈ 0.08883 (e) The standard deviation is ≈ .298

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