Question
Is that data normally distributed in Table 1 and 2 ? Do the non-significant p values shown in Table 3 indicate the data are normally
Is that data normally distributed in Table 1 and 2 ? Do the non-significant p values shown in Table 3 indicate the data are normally distributed?
Table 1. Male and Female Exercise Time Statistics
Descriptive | ||||
Gender | Statistic | Std. Error | ||
Exercise Time (Minutes) | Male | Mean | 140.4250 | 15.24760 |
95% Confidence Interval for Mean | Lower Bound | 109.5838 | ||
Upper Bound | 171.2662 | |||
5% Trimmed Mean | 131.1019 | |||
Median | 105.3333 | |||
Variance | 9299.578 | |||
Std. Deviation | 96.43432 | |||
Minimum | 38.00 | |||
Maximum | 410.67 | |||
Range | 372.67 | |||
Interquartile Range | 115.00 | |||
Skewness | 1.285 | .374 | ||
Kurtosis | 1.339 | .733 | ||
Female | Mean | 151.6750 | 17.93961 | |
95% Confidence Interval for Mean | Lower Bound | 115.3887 | ||
Upper Bound | 187.9613 | |||
5% Trimmed Mean | 144.1296 | |||
Median | 118.6667 | |||
Variance | 12873.182 | |||
Std. Deviation | 113.46005 | |||
Minimum | 25.33 | |||
Maximum | 410.67 | |||
Range | 385.33 | |||
Interquartile Range | 108.50 | |||
Skewness | 1.035 | .374 | ||
Kurtosis | .013 | .733 |
Table 2. Age and Exercise Time Statistics
Descriptive | ||||
Age (yrs) | Statistic | Std. Error | ||
Exercise Time (Minutes) | 19.00 | Mean | 53.2000 | 4.76165 |
95% Confidence Interval for Mean | Lower Bound | 43.2337 | ||
Upper Bound | 63.1663 | |||
5% Trimmed Mean | 52.4259 | |||
Median | 47.5000 | |||
Variance | 453.467 | |||
Std. Deviation | 21.29476 | |||
Minimum | 25.33 | |||
Maximum | 95.00 | |||
Range | 69.67 | |||
Interquartile Range | 34.83 | |||
Skewness | .685 | .512 | ||
Kurtosis | -.788 | .992 | ||
20.00 | Mean | 111.3333 | 10.06528 | |
95% Confidence Interval for Mean | Lower Bound | 90.2665 | ||
Upper Bound | 132.4002 | |||
5% Trimmed Mean | 111.1111 | |||
Median | 113.3333 | |||
Variance | 2026.199 | |||
Std. Deviation | 45.01332 | |||
Minimum | 40.00 | |||
Maximum | 186.67 | |||
Range | 146.67 | |||
Interquartile Range | 66.67 | |||
Skewness | -.154 | .512 | ||
Kurtosis | -.971 | .992 | ||
21.00 | Mean | 180.6000 | 21.45919 | |
95% Confidence Interval for Mean | Lower Bound | 135.6854 | ||
Upper Bound | 225.5146 | |||
5% Trimmed Mean | 176.1667 | |||
Median | 157.5000 | |||
Variance | 9209.937 | |||
Std. Deviation | 95.96842 | |||
Minimum | 63.00 | |||
Maximum | 378.00 | |||
Range | 315.00 | |||
Interquartile Range | 183.75 | |||
Skewness | .718 | .512 | ||
Kurtosis | -.568 | .992 | ||
22.00 | Mean | 239.0667 | 25.73770 | |
95% Confidence Interval for Mean | Lower Bound | 185.1970 | ||
Upper Bound | 292.9363 | |||
5% Trimmed Mean | 237.9259 | |||
Median | 220.0000 | |||
Variance | 13248.580 | |||
Std. Deviation | 115.10248 | |||
Minimum | 88.00 | |||
Maximum | 410.67 | |||
Range | 322.67 | |||
Interquartile Range | 212.67 | |||
Skewness | .317 | .512 | ||
Kurtosis | -1.284 | .992 |
Table 3. Tests of Normality________________________________________________________
Tests of Normality | ||||||
Age (yrs) | Kolmogorov-Smirnova | Shapiro-Wilk | ||||
Statistic | df | Sig. | Statistic | df | ||
Exercise Time (Minutes) | 19.00 | .162 | 20 | .176 | .904 | 20 |
20.00 | .137 | 20 | .200* | .951 | 20 | |
21.00 | .202 | 20 | .031 | .893 | 20 | |
22.00 | .158 | 20 | .200* | .901 | 20 |
Tests of Normality | ||
Age (yrs) | Shapiro-Wilka | |
Sig. | ||
Exercise Time (Minutes) | 19.00 | .049 |
20.00 | .390 | |
21.00 | .030 | |
22.00 | .043 |
*. This is a lower bound of the true significance. a. Lilliefors Significance Correction |
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