WHATS FORMULA MUST BE USED IN EXCEL TO ANSWER THE BELOW QUESTIONS.
In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil H. Firtle (1993) present preexposure and postexposure attitude scores from an advertising study involving 10 respondents. The data for the experiment are given in Table 10.3.
Subject |
Preexposure Attitudes (A1) |
Postexposure Attitudes (A2) |
Attitude Change (di) |
1 |
50 |
53 |
3 |
2 |
25 |
27 |
2 |
3 |
30 |
38 |
8 |
4 |
50 |
55 |
5 |
5 |
60 |
61 |
1 |
6 |
80 |
85 |
5 |
7 |
45 |
45 |
0 |
8 |
30 |
31 |
1 |
9 |
65 |
72 |
7 |
10 |
70 |
78 |
8 |
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