10.5.6.. High blood pressure is known to be one of the major contributors to coronary heart disease. A study was done to see whether or not there is a significant rela tionship between Lhe blood pressures of children and those of their fathers (87). If such a relationship did exist, ii might be possi ble to us.e one group to screen for high-risk individuals in the other group. The subjects were 92 eleventh graders, 47 males and 45 females, and their fathers. Blood pressures for both the children and the fathers were categorized as. belonging to either lhe lower, middle, or upper third of their respective distributions. Test whether or not the blood pressures of children can be
considered to be independent of the blood pressures of their fathers. Let a = 0.05.
Child's Blood Pressure
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