Consider the accompanying data on flexural strength (mpa) for concrete beams of a certain type. 5.9 7.2 7.3 6.3 8.1 6.8 7.0 7.3 6.8 6.5 7.0 6.3 7.9 9.0 8.3 8.7 7.8 9.7 7.4 7.7 9.7 8.2 7.7 11.6 11.3 11.8 10.7 the data below give accompanying strength observations for cylinders. 6.3 5.8 7.8 7.1 7.2 9.2 6.6 8.3 7.0 8.6 7.9 8.1 7.4 8.5 8.9 9.8 9.7 14.1 12.6 11.9 prior to obtaining data, denote the beam strengths by x1, . . . , xm and the cylinder strengths by y1, . . . , yn. suppose that the xi's constitute a random sample from a distribution with mean μ1 and standard deviation σ1 and that the yi's form a random sample (independent of the xi's) from another distribution with mean μ2 and standard deviation σ2.