The bar graph shows the average science test scores of students in Grade 8 in relation to the hours they spend watching television. Overall, the students who watch less television have higher scores, and the average test score decreases as the number of viewing hours increases. The highest score of 80 is for students who usually watch one hour or less of television a day. The next highest score is approximately 79. This is for students who average two hours of television viewing. Students who watch no television and students who watch about 3 hours of television per day have a score of about 76. The lowest score of approximately 65 is for students who view six or more hours of television daily.
条形图显示8年级学生平均科学考试成绩与他们所花的时间有关。总体而言，看电视的学生有较高的分数，平均测试分数随着观看时间的增加而减少。80分的最高分数是给那些通常每天看一小时电视的学生。下一个最高点是约79。这是给学生们看了平均2个小时的电视观看。看不看电视的学生和学生每天看3个小时的电视，有大约76的分数。最低分数为65左右，学生每天看六个或多个小时的电视。