REVIEWING PSYCHOLOGICAL STATISTICS CONCEPTS Note: All participants are randomly assigned to the groups PROBLEM 3 : The researcher conducted an experiment to determine whether temperature affects the...

REVIEWING PSYCHOLOGICAL STATISTICS CONCEPTS

Note: All participants are randomly assigned to the groups

PROBLEM 3: The researcher conducted an experiment to determine whether temperature affects the test performance of college students.  He matched the participants according to the GPA prior random assignment to the experimental and control group.  One group took a 50-item test in a warm room while the other group took the same test in a cold room.  He wanted to test the hypothesis at 0.05 level of significance.  The following results were gathered:

Extracted text: PROBLEM 3: The researcher conducted an experiment to determine whether temperature affects the test performance of college students. He matched the participants according to the GPA prior random assignment to the experimental and control group. One group took a 50-item test in a warm room while the other group took the same test in a cold room. He wanted to test the hypothesis at 0.05 level of significance. The following results were gathered: SCORES OF THOSE IN THE SCORES OF THOSE IN THE WARM ROOM COLD ROOM 50 22 23 20 22 23 13 22 14 20 15 19 16 20 17 21 45 22 25 21