Exercise 4.3.1

Time Diet Weight.Mean Weight.StDev
10 1 93.05263 22.54249
10 2 108.50000 24.29563
10 3 117.10000 20.19048
10 4 126.00000 11.43095
20 1 170.41176 55.43584
20 2 205.60000 70.25224
20 3 258.90000 65.24390
20 4 233.88889 37.56809

Exercise 4.3.2

Age.Grp Sex.MF BMI.avg
Teens Female 21.84049
Teens Male 25.50885
20s Female 21.76643
20s Male 24.16675
30s Female 22.53168
30s Male 24.88705
40s Female 24.25510
40s Male 26.36822
50s Female 22.66689
50s Male 24.75315
60s Female 23.69426
60s Male 23.90897

Exercise 4.3.3

All_Good.Prop
0.5