3. Suppose the Acme Drug Company develops a new drug, designed to prevent colds. The company states that the drug is equally effective for men and women. To test this claim, they choose a simple random sample of 100 women and 200 men from a population of 100,000 volunteers. At the end of the study, 38% of the women caught a cold; and 51% of the men caught a cold. Based on these findings, can we reject the company's claim that the drug is equally effective for men and women? Use a 0.05 level of significance.
Data:
female - no
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female - no
female - no
female - no
female - no
female - no
female - no
female - no
female - no
female - no
female - no
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
female - yes
male - no
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male - no
male - no
male - no
male - no
male - no
male - no
male - no
male - no
male - no
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
male - yes
Directions: Do 7 step hypothesis test for the following scenarios making sure to include your check of assumptions.
Step 1) Null Hypothesis
Alternative Hypothesis
Step 2) Significance Level
Step 3) Decision : Reject H0 if Z>1.96 or Z< -1.96
Step 4) Under H0, the test statistic is
Step 5) The P-Value is 0.03342
Step 6) Decision : Since p value is less than significance level. Reject H0
Step 7) Conclusion : YEs, we can reject the company's claim that the drug is equally effective for men and women.
3. Suppose the Acme Drug Company develops a new drug, designed to prevent colds. The company...
Suppose the Acme Drug Company develops a new drug, designed to prevent colds. The company states that the drug is equally effective for men and women. To test this claim, they choose a a simple random sample of 100 women and 200 men from a population of 100,000 volunteers. At the end of the study, 38% of the women caught a cold; and 51% of the men caught a cold. Based on these findings, can we reject the company's claim...
The Acme Drug Company develops a new drug, designed to prevent colds. The company states that the drug is more effective for women than for men. To test this claim, they choose a simple random sample of 100 women and 200 men from a population of 100,000 volunteers. At the end of the study, 38 of the women caught a cold; and 102 of the men caught a cold. Based on these findings, can we conclude that the drug is...
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