The following data is provided from a series of tests from two almost identical concrete mixes. The only difference between the two is that one had an air entraining admixture added. Create an appropriate column chart and place it inside the text box, then interpret the data and draw a conclusion as to which mix used the air entraining agent and why this is. Test # 1 2 Mix A-Strength Mix B - Strength (psi)
1 4210 3910
2 4320 4020
3 4180 4180
4 4030 3830
5 3980 3680
6 3220 3420
7 4050 3650
8 3960 3760
9 4140 3860
10 4200 3860