In an attempt to determine if a advertising campaign could increase attitudes toward a product, a company randomly selected 10 people on whom to experiment. Prior to the campaign a test was administered to determine the subjects’ attitudes toward the product. Immediately following the campaign an equivalent test was administered to the same 10 subjects to determine any attitudinal shifts that might have occurred. The results are found below. Subject Number Pretest Score Post Test Score 1: 50 53 2. 25 27 3. 30 38 4. 50 47 5. 60 61 6. 80 77 7. 45 45 8. 30 31 9. 65 72 10. 70 78 Determine whether or not the advertising campaign has been successful. Set up hypotheses. Employ the proper test statistic. Find the p value for your result and interpret it.
In an attempt to determine if a advertising campaign could increase attitudes toward a product, a company randomly selected 10 people on whom to experiment. Prior to the campaign a test was administered to determine the subjects’ attitudes toward the product. Immediately following the campaign an equivalent test was administered to the same 10 subjects to determine any attitudinal shifts that might have occurred. The results are found below.
Subject Number Pretest Score Post Test Score
1: 50 53
2. 25 27
3. 30 38
4. 50 47
5. 60 61
6. 80 77
7. 45 45
8. 30 31
9. 65 72
10. 70 78
Determine whether or not the advertising campaign has been successful.
Set up hypotheses.
Employ the proper test statistic.
Find the p value for your result and interpret it.
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