Decision in part 4 was reject.

An article in the Fire Safety Journal ("The Effect of Nozzle Design on the Stability and Performance of Turbulent Water Jets," Vol. 4, August 1981) describes an experiment in which a shape factor was determined for several different nozzle designs at six levels of jet efflux velocity. Interest focused on potential differences between nozzle designs (blocks), with velocity considered as a :nuisance variable. The data are shown below Jet Efflux Velocity (m/s) Nozzle 28.74 23.46 20.43 16.59 14.37 11.73 Design 0.78 0.77 0.75 0.81 0.80 0.78 1 0.83 0.81 0.86 0.92 0.85 0.85 2 0.83 0.89 0.89 0.95 0.92 0.93 3 0.83 0.86 0.88 0.98 0.97 1.14 4 0.75 0.76 0.76 0.78 0.86 0.97 5 .!a = 0.05 If your decision in part (4) was reject, perform Tukey test to (4 determine which pairwise means are significantly different using :a = 0.05 a familywise error rate of c) Compute the test statistic, 90, for each pairwise.4 .comparison