Sample Examination One - La Jolla High School

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'la Sarnple Examination One Seetion II 2. A study was conducted to investigate effecis of regular exercise on rveight loss cf adults. Nine subjects selected randomly lrom a population rvere weighed before a program of regular exercise and then again three weeks after. Data are listed below as w,eights of subjects in kilograrns before and after the exercise program. The ciaim is that the r'i'eights after the program are less than the iveigl^rts before iire program Before Exercise Prograrn Do these data support the claim that weight? Use statistical evidence to assumotions. or reusrng any part of this page is illegal After' Exercise Program 99 )i 5l 55 62 58 69 66 74 75 77 '16 59 56 92 88 70 65 tne exerclse program rs effective in reducing justify your response, State clearly your
Section [l Sample Examination One 25 3. A student wishes to study the effects of sugar on pulse rate. He knows that males and females pulse rates react differently to the ingestion of sugar. There are 36 volunteers, 18 males and 18 females who r.l,ill participate in the study. (a) Design an experiment which would study the effects of sugar on pulse rate. Carefully describe all steps and procedures. (b) What are the explanatory and response variables? (c) What is done to control differences between males and fernale? (d) What is your control group? (e) Draw a diagram to illustrate your design' c0pyrn9 or feuslng any part of this page is illegal
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Sample Examination One - La Jolla High School

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