Answer Happy

D Question 28 2.5 pts A sample consisting of the numbers 12, 4, 12, 12 has a sample standard deviation equal to 16. True False u Question 29 2.5 pts According to the Central Limit Theorem, as sample size increases, the population from which the sample was taken approaches the normal distribution. True O False Question 30 2.5 pts A researcher believed that a balanced diet will produce less weight loss than a carbohydrate diet. After selecting study participants for each group, each person weighed in before the study and after a six-week period. The researcher sampled 21 people on the carbohydrate diet and 11 people on the balanced diet and measured their weight loss. Group 1 (Carbohydrate): mean loss = 13.32, 512 = 4.3, n = 21 Group 2 (Balanced): mean loss = 17.44, s22 = 2.2, n = 11 The alternative hypothesis (using Carbohydrate - Balanced) for the researcher's claim is: Она: 1 - 2 < 0 O Hai Mi - H2 SO O Hau - H2O O Hai H1 - H2 > 0