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.. A certain drug is claimed to be effective in curing cold. In an experiment on were given the 500 persons with cold, half of them were given the drug and half of them sugar pills. The patients' reactions to the treatment are recorded in the following table: Helped Harmed No effect Total 30 70 250 Drug Sugar pills 150 130 40 80 250 Total 280 70 150 500 On the basis of the data can it be concluded that there is a significant difference in the effect of the drug and sugar pills ?

.. A certain drug is claimed to be effective in curing cold. In an experiment on were given the 500 persons with cold, half of them were given the drug and half of them sugar pills. The patients' reactions to the treatment are recorded in the following table: Helped Harmed No effect Total 30 70 250 Drug Sugar pills 150 130 40 80 250 Total 280 70 150 500 On the basis of the data can it be concluded that there is a significant difference in the effect of the drug and sugar pills ?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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.. A certain drug is claimed to be effective in curing cold. In an experiment on were given the 500 persons with cold, half of them were given the drug and half of them sugar pills. The patients' reactions to the treatment are recorded in the following table: Helped Harmed No effect Total 30 70 250 Drug Sugar pills 150 130 40 80 250 Total 280 70 150 500 On the basis of the data can it be concluded that there is a significant difference in the effect of the drug and sugar pills ?
Transcribed Image Text:.. A certain drug is claimed to be effective in curing cold. In an experiment on were given the 500 persons with cold, half of them were given the drug and half of them sugar pills. The patients' reactions to the treatment are recorded in the following table: Helped Harmed No effect Total 30 70 250 Drug Sugar pills 150 130 40 80 250 Total 280 70 150 500 On the basis of the data can it be concluded that there is a significant difference in the effect of the drug and sugar pills ?
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