Statics Question:
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If a statistically significant difference in blood pressure, change at the end of a year for the two activities was found, then?
Answer:
► a) It cannot be concluded that the difference in activity caused a difference in the change in blood pressure because in the course of a year there are many possible confounding Variables
► b) Whether or not the difference was caused by the difference in activity depends on what Else, the participants did during the year.
► c) It cannot be concluded that the difference in activity caused a difference in the change in blood pressure because it might be the opposite, which the people with high blood pressure were more likely to read a book than to walk
► d) It can be concluded that the difference in activity caused a difference in the change in Blood pressure because of the way the study was done.
Answer - d
► b) Whether or not the difference was caused by the difference in activity depends on what Else, the participants did during the year.
► c) It cannot be concluded that the difference in activity caused a difference in the change in blood pressure because it might be the opposite, which the people with high blood pressure were more likely to read a book than to walk
► d) It can be concluded that the difference in activity caused a difference in the change in Blood pressure because of the way the study was done.
Answer - d
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