10.54 The two drying methods for concrete were used on seven different mixes, with each mix of concrete subjected to each drying method. The resulting strength-test measurements (in psi) are given below:

Is there evidence of a difference between true average porosity measurements for the two procedures?
Use .

Transcribed Image Text:

Mix Method I Method II ABCDEFG 3,160 3,170 3,240 3,220 3,190 3,160 3,520 3,530 3,480 3,440 3,220 3,210 3,120 3,120