Study on New Drug Which Increases White Blood Cell Count in Chemotherapy Patients

Question

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    

Use the sample data to construct a 96% confidence interval for the mean difference between the before and after readings.

Summary

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. A 96% confidence level mean difference has to be calculated.

Total Word Count 135


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