1. The attorney for the Food and Drug Administration claims that a Pharmaceutical Company makes cold caplets that contain amounts of acetaminophen with a mean different from the 650mg amount indicated on the label. a. Claim: ___________ b. Ho: _________________________ Ha: _________________________ c. Analysis: _________________________ d. Tail of the distribution: _________________________ 2. The instructor claims that her student’s mean score for the Final Term Examination is not lower than 50. a. Claim: ___________ b. Ho: _________________________ Ha: _________________________ c. Analysis: _________________________ d. Tail of the distribution: _________________________ 3. The effectiveness of Prilosec for treating heartburn is tested by measuring gastric acid secretion in patients before and after the drug treatment. Test if there is a decrease after in the gastric acid secretion after the drug treatment. a. Claim: ___________ b. Ho: _________________________ Ha: _________________________ c. Analysis: _________________________ d. Tail of the distribution: _________________________ DEPARTMENT OF STATISTICS
1. The attorney for the Food and Drug Administration claims that a Pharmaceutical Company makes cold caplets that contain amounts
of acetaminophen with a mean different from the 650mg amount indicated on the label.
a. Claim: ___________
b. Ho: _________________________
Ha: _________________________
c. Analysis: _________________________
d. Tail of the distribution: _________________________
2. The instructor claims that her student’s mean score for the Final Term Examination is not lower than 50.
a. Claim: ___________
b. Ho: _________________________
Ha: _________________________
c. Analysis: _________________________
d. Tail of the distribution: _________________________
3. The effectiveness of Prilosec for treating heartburn is tested by measuring gastric acid secretion in patients before and after the
drug treatment. Test if there is a decrease after in the gastric acid secretion after the drug treatment.
a. Claim: ___________
b. Ho: _________________________
Ha: _________________________
c. Analysis: _________________________
d. Tail of the distribution: _________________________
DEPARTMENT OF STATISTICS
Psychological Statistics (PSYCH 2104)
1
st Semester, 2021-2022
Name: Score:
Course Yr & Section: Signature:
PSYCH 2104 _ E x e r 4 | 2
4. The effectiveness of the Weight Watchers diet is tested in an experiment, and for each subject, the weight before the diet and the
weight after the diet are recorded.
a. Claim: ___________
b. Ho: _________________________
Ha: _________________________
c. Analysis: _________________________
d. Tail of the distribution: _________________________
5. The effectiveness of a flu vaccine is tested by treating one group of subjects with the vaccine while another group of subjects is
given placebos. Is there a significant difference among the two groups?
a. Claim: ___________
b. Ho: _________________________
Ha: _________________________
c. Analysis: _________________________
d. Tail of the distribution: _________________________
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