use the results in the table to (a) draw a normal probability plot, (b) determine the linear correlation between the observed values and expected z-scores, (c) determine the critical value in Table VI to assess the normality of the data

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Index, i Observed Value Expected z-score -1.41 39 0.08 2 45 0,20 -0.84 -0.47 48 0.32 4 52 0.44 -0.15 54 0.56 0.15 56 0.68 0.47 60 0.80 0.84 62 0.92 1.41 3. Index, i Observed Value Expected z-score 77 0.07 -1.48 2 80 0.18 -0.92 3 84 0.28 -0.58 4 91 0.39 -0.28 98 0.5 104 0.61 0.28 109 0.72 0.58 112 0.82 0.92 120 0.93 1.48