Researchers decided to examine the effect of two types of medication, A and B, given to common cold patients. To participate in a study over a period of one week, 24 patients were randomly selected. Half
of the group is given the medication A and the other half of the group is given the medication B. The number of days for the common cold to eradicate completely in each patient over the one week period is
recorded in the table shown.
Medication A Medication II
Based on the data with a 0.05 significance level, is there a significant difference between the two data sets? Explain your answer.