One-Sample Test Test Value = 0 95% Confidence Interval of the Difference df Sig. (2-tailed) Mean Difference Lower Upper group 100 149 4 986 4 008 1.69100 7494 2.6326 group300 349 8.369 4 001 4.04980 2.7063 5.3933 group500 599 23.793 4 000 8.49040 7.4996 9.4812 group700 899 26.355 A 000 12.35420 11.0527 13.6557 group1100 and more 11 142 4 000 32.22380 24.1943 40.2533 Explanation of the table in terms of determining the largest and smallest and also Reject or not