رد: هنااا معــا للأحصااء ^_^
لو سمحتو ابغى حل الاسئلة دي
In a diabetes study to investigate the effect of medicine,exercises and diet on patients,the randomly selected patients are divided into four groups randomly.the first group is given a medicine only.the second groub is given a medicine and special diet.the third group is given a medicin and special exercises.the fourth group is given a special diet and exercises.after six months,the averages of the blood sugar level for the four groups are compared
Q1-the confounding variable(s)for the the second group is (are :
A)diet. B)medicine. C)exercises and diet. D(exercises
Q2-the indepentend variable is ( are) for the second group is (are) ....
A)exercises and diet. B) medicine and diet. C) medicine. D) medicine and exercises
Q3-the dependent variable is ( are) for the second group is (are(:
A-medicine and diet. B-six month. C.patients. D.blood sugar level
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