3 7 The survival times in months for two treatments for patients with severe chronic left ventricular heart failure are given in the following tables 4 14 29 6 Standard Therapy 15 24 2 16 6 13 10 1 27 32 7 13 12 18 14 15 21 20 8 3 24 9 5 20 29 15 7 32 36 19 35 10 16 39 10 16 12 13 16 18 33 30 29 31 27 31 36 17 15 18 27 14 New Therapy a Construct separate relative frequency histograms for the survival times of both the therapies b Compare the two histograms Does the new therapy appear to generate a longer