A national hospital chain performed a study to determine wh effective in lowering blood pressure in patients suffering from h pressure):
Group A (1000 patients) received a daily pill containing the ne patients) received an identical-looking pill, but no medication participants in the study had previously been identified as ha sure than normal (above 140/95 mm Hg).
Blood pressure was a month in all 2000 participants in the study. At the end of the published in the New England Journal of Medicine.
Fill in the blanks with the choice that is most appropriate. The study of the new blood pressure medication that was described used only once.

a. variable g. Y-axis
b. control h. data point
c. experimental i. mode
d. hypothesis j. average e. f. verify X-axis k. median

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