In: Statistics and Probability
The mean mass of the puppies at five months is 4.34 kg. The masses follow the normal distribution. In an effort to increase their mass, a supplement is added to their daily meals. The subsequent masses of a sample of five-month-old puppies were (in kilograms):
4.42 | 4.37 | 4.24 | 4.20 | 4.60 | 4.35 | 4.56 | 4.33 | 4.46 | 4.36 |
a. At the 0.01 level, has the supplement increased the mean mass of the puppies? (Round the final answer to 3 decimal places. Negative answers should be indicated by a minus sign.)
Value of the test statistic
Reject H0 if t > .
(Click to select) Reject Do not reject H0. There is (Click to select) not enough / enough evidence to conclude that the additive increased the mean weight of puppies.
b. Determine or estimate the p-value. (Round the final answer to 4 decimal places.)