Barterol is a drug designed to increase the white blood cell count for patients receiving chemotherapy. When subjects were tested with this drug, their white cell count reading (in thousands per ml) was recorded before and after the drug was taken. The results are shown in the following table. White blood cell counts are normally distributed within a population.
Subject A B C D E F G H I J K L
Before 191 170 177 167 159 151 176 183 159 145 146 177
After 200 174 198 170 179 149 193 209 185 155 159 190
Is there sufficient evidence to support the claim that the drug is effective in increasing white blood cell counts? Use a significance level of 0.02. Show all steps of the hypothesis process.
The question belongs to Statistics and it is about testing a new drug that increases the number of white blood cells for patients receiving chemotherapy. The claim for the drug increasing white blood cells significantly has been given in the solution.
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