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# Mathematics & Statistic Tutor Perth - SPSS Help

 Tests of Normality Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. difference .172 8 .200* .956 8 .769 *. This is a lower bound of the true significance. a. Lilliefors Significance Correction

 Descriptives Statistic Std. Error difference Mean 1112.5000 514.23921 95% Confidence Interval for Mean Lower Bound -103.4825 Upper Bound 2328.4825 5% Trimmed Mean 1086.1111 Median 1150.0000 Variance 2115535.714 Std. Deviation 1454.48813 Minimum -900.00 Maximum 3600.00 Range 4500.00 Interquartile Range 2325.00 Skewness .241 .752 Kurtosis .102 1.481

 Paired Samples Test Paired Differences t df Sig. (2-tailed) Mean Std. Deviation Std. Error Mean 95% Confidence Interval of the Difference Lower Upper Pair 1 Y - X 1112.50000 1454.48813 514.23921 -103.48251 2328.48251 2.163 7 .067
 Paired Samples Test Paired Differences t df Sig. (2-tailed) Mean Std. Deviation Std. Error Mean 95% Confidence Interval of the Difference Lower Upper Pair 1 Y - X 1112.50000 1454.48813 514.23921 -103.48251 2328.48251 2.163 7 .067
 Tests of Normalitya Kolmogorov-Smirnovb Shapiro-Wilk Statistic df Sig. Statistic df Sig. RunTime .118 5 .200* .999 5 .999 *. This is a lower bound of the true significance. a. Company = A
 Tests of Normalitya Kolmogorov-Smirnovb Shapiro-Wilk Statistic df Sig. Statistic df Sig. RunTime .236 7 .200* .839 7 .098 *. This is a lower bound of the true significance. a. Company = B