A researcher wishes to try three different techniques to lower the blood pressure of students diagnosed with high blood pressure in the school sickbay. The subjects are randomly assigned to three groups; the first group takes medication from the school nurse, the second group takes exercises led by the school sports master, and the third group follows a special diet from the school pantry. After four weeks, the reduction in each person’s blood pressure is recorded in the table below. TECHNIQUES Medication Exercise Diet 10 6 7 12 8 9 9 3 12 15 10 8 14 2. 5 TOTAL 60 29. 41 At α = 0.05, analyse this case study in a one way ANOVA
A researcher wishes to try three different techniques to lower the blood pressure of students diagnosed with
high blood pressure in the school sickbay. The subjects are randomly assigned to three groups; the first
group takes medication from the school nurse, the second group takes exercises led by the school sports
master, and the third group follows a special diet from the school pantry. After four weeks, the reduction
in each person’s blood pressure is recorded in the table below.
TECHNIQUES Medication Exercise Diet 10 6 7
12 8 9
9 3 12
15 10 8
14 2. 5
TOTAL 60 29. 41
At α = 0.05, analyse this case study in a one way ANOVA
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