Seven of 8500 people vaccinated against a certain disease later developed the disease. Eighteen of 10,000 people vaccinated with the placebo later developed the disease. Test the claim that the vaccine is effective in lowering the incidence of the disease. How many populations? O2 What is the parameter? O Proportion O Variance O Mean O Difference between Means O standard Deviation

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What is the test statistic?
I - Hd
(F1 – T2) – (41 – µ2)
(T1 – T2)
(41 – 12)
(Р, — Рә) — (p1
p2)
(n – 1)? .
o2
Ot
(ī1 – 72) – (41 – 42)
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||
||
||
Transcribed Image Text:What is the test statistic? I - Hd (F1 – T2) – (41 – µ2) (T1 – T2) (41 – 12) (Р, — Рә) — (p1 p2) (n – 1)? . o2 Ot (ī1 – 72) – (41 – 42) || || || ||
Seven of 8500 people vaccinated against a certain disease later developed the disease. Eighteen of 10,000
people vaccinated with the placebo later developed the disease. Test the claim that the vaccine is
effective in lowering the incidence of the disease.
How many populations?
02
01
What is the parameter?
O Proportion
Variance
О Мean
O Difference between Means
O standard Deviation
Transcribed Image Text:Seven of 8500 people vaccinated against a certain disease later developed the disease. Eighteen of 10,000 people vaccinated with the placebo later developed the disease. Test the claim that the vaccine is effective in lowering the incidence of the disease. How many populations? 02 01 What is the parameter? O Proportion Variance О Мean O Difference between Means O standard Deviation
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