In the morning, after having had nothing to eat since the night before, 75 participants were randomly assigned to one of three groups (25 in each group): Those who were fed a large meal, those who were fed a small meal, and those who were fed nothing. Then all participants were given a memory test. The results were as follows:
Based on these results, does amount of breakfast eaten affect memory? (Use the .05 level.)
Use the five steps of hypothesis testing.

Question

In the morning, after having had nothing to eat since the night before, 75 participants were randomly assigned to one of three groups (25 in each group): Those who were fed a large meal, those who were fed a small meal, and those who were fed nothing. Then all participants were given a memory test. The results were as follows:
  Based on these results, does amount of breakfast eaten affect memory? (Use the .05 level.)
Use the five steps of hypothesis testing.

Quizplus · Accepted Answer

The Answer of In the morning, after having had nothing to eat since the night before, 75 participants were randomly assigned to one of three groups (25 in each group): Those who were fed a large meal, those who were fed a small meal, and those who were fed nothing. Then all participants were given a memory test. The results were as follows:
  Based on these results, does amount of breakfast eaten affect memory? (Use the .05 level.)
Use the five steps of hypothesis testing.

In the Morning, After Having Had Nothing to Eat Since