Exhibit 12-3
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 below. We are interested in determining whether or not the medication was effective in curing the common cold.
-Refer to Exhibit 12-3. The number of degrees of freedom associated with this problem is
A)4
B)149
C)1

Question

Exhibit 12-3
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 below.  We are interested in determining whether or not the medication was effective in curing the common cold.
-Refer to Exhibit 12-3. The number of degrees of freedom associated with this problem is
A)4 
B)149 
C)1

Quizplus · Accepted Answer

The number of degrees of freedom associated with this problem is 1. This is because there are two groups (medication and sugar pill) and therefore there is only one degree of freedom (one group can be compared to the other).

Exhibit 12-3 In Order to Determine Whether or Not a Particular Medication