Table 3: Descriptive Statistics of compressive strength of Type IV dental stone groups dried in a microwave oven (Mic.) and groups dried with air (Air) at three-time intervals from pouring.

Groups N Min. Max. Mean Std. Deviation
Type IV/ Time3 hr./ Mic. 10 70.06 95.54 80.0680 7.49580
Type IV/Time3 hr. / Air. 10 82.80 114.64 101.5870 9.98026
Type IV/ Time5 hr. /Mic. 10 79.61 93.94 85.1850 4.99197
Type IV / Time5 hr. /Air. 10 92.35 101.91 97.2890 3.86261
Type IV / Time24 hr./ Mic. 10 79.61 114.64 87.8910 10.60944
Type IV/ Time24 hr. / Air. 10 76.43 121.01 102.2250 14.96978