Homework Soursea nutritionist would like to examine the effects of sugar co
a nutritionist would like to examine the effects of sugar consumption on the activity level of preschool children. The samples of children are selected with n=5 in each sample. One group gets no sugar, one group gets a small dose, and the other gets a large dose. The psychologist records the activity level for each child.
a. What is the appropriate null and alernative hypothesis for this study?
b. What is the critical value of f for alpha .05? Be sure to show your work for your degrees of freedom calculations.
c. What is the calculated value of F? Be sure to show all work (SS, MS, and F- ratio calculations).
d. Are the data sufficent to state that there is a statistically significant main effect of sugar on activity level in the preschool children?
e. Write an APA format sentence to report the results of this study.
f. Compute the n^2 for this study.
| No sugar | Small dose of sugar | Large dose of sugar |
| 3 | 4 | 6 |
| 3 | 5 | 8 |
| 1 | 4 | 7 |
| 2 | 5 | 2 |
| 4 | 2 | 6 |
Solution
