In order to determine whether or not a particular medication was effective in curing the common cold, one group of patients was given the medication, while another group received sugar pills The results of the study are shown Patients Cured 70 20 Patients Not Cured 10 50 We are interested in determining whether or not the medication was effective in curing the common cold The expected frequency of those who receivedmedication and were cured is The test statistic (chi square)is The number of degrees of freedom associated with this problem is

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Question: . In order to determine whether or not a particular medication was effective in curing the common cold, one group of patients was given the

. In order to determine whether or not a particular medication was effective in curing the common cold, one group of patients was given the medication, while another group received sugar pills. The results of the study are shown

Patients Cured

Patients Not Cured

We are interested in determining whether or not the medication was effective in curing the common cold. The expected frequency of those who receivedmedication and were cured is

The test statistic

(chi-square)is

The number of degrees of freedom associated with this problem is

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