1. a. 0.476
b. 1.628
c. 0.297
d. -1.284
2. Mean = 5.039
3. 0.1151
4. Mean = 62.35 g and standard deviation = 19.67 g (to 4 sig.fig.)
5. mean = 16.9 and standard deviation = 7.55 g
6. 0.6586
7. 0.8822
8. 0.3428
1. a. 0.476
b. 1.628
c. 0.297
d. -1.284
2. Mean = 5.039
3. 0.1151
4. Mean = 62.35 g and standard deviation = 19.67 g (to 4 sig.fig.)
5. mean = 16.9 and standard deviation = 7.55 g
6. 0.6586
7. 0.8822
8. 0.3428