7.Q3:There are two studies examining the average content of caffeine in an energy drink.Each study does a random sampling of this energy drink and the samples are tested using the same method.Study 1 tested 25 bottles of that energy drink,while Study 2 tested 100 bottles.Which description below is correct?[单选题][必答题] O The actual average caffeine content calculated by these two studies is equally uncertain. O In the study 1,the uncertainty in obtaining the actual average caffeine content was less than that of the study 2. OIn the study 1,the uncertainty in obtaining the actual average caffeine content was more than that of the study 2. O None of the above choices is right. &.Q3-Why you Choose this answer?[填空题][必答题] 9.Q4:A hurricane scrapped 40%of the mice in the coastal city.After that,a disease spread in contaminated water killed 20%of the remaining mice surviving in the hurricane.So after two disasters,.can you tell me the percentage of the rest survived mice?[单选题][必答题] 040% O48% 060% O I don't know the initial amount of mice so I can't calculate. 10.Q4--Why you Choose this answer?[填空题][必答题] Reference:CBE-Life Sciences Education Vol.11,364-377,Winter 2012 Developing a Test of Scientific Literacy Skills(TOSLS):Measuring Undergraduates'Evaluation of Scientific Information and Arguments Cara Gormally,Peggy Brickman,fandMary Lutz*Georgia Institute of Technology, School of Biology,Atlanta,GA 30322:Department of Plant Biology andDepartment of Educational Psychology and Instructional Technology,University of Georgia,Athens,GA 30602_________________________________ 7. Q3: There are two studies examining the average content of caffeine in an energy drink. Each study does a random sampling of this energy drink and the samples are tested using the same method. Study 1 tested 25 bottles of that energy drink , while Study 2 tested 100 bottles. Which description below is correct? [单选题] [必答题] ○ The actual average caffeine content calculated by these two studies is equally uncertain. ○ In the study 1, the uncertainty in obtaining the actual average caffeine content was less than that of the study 2. ○ In the study 1, the uncertainty in obtaining the actual average caffeine content was more than that of the study 2. ○ None of the above choices is right. 8. Q3---Why you Choose this answer? [填空题] [必答题] _________________________________ 9. Q4 : A hurricane scrapped 40% of the mice in the coastal city. After that, a disease spread in contaminated water killed 20% of the remaining mice surviving in the hurricane. So after two disasters, can you tell me the percentage of the rest survived mice ? [单选题] [必答题] ○ 40% ○ 48% ○ 60% ○ I don't know the initial amount of mice so I can't calculate. 10. Q4---Why you Choose this answer? [填空题] [必答题] _________________________________ Reference : CBE—Life Sciences Education Vol. 11, 364–377,Winter 2012 Developing a Test of Scientific Literacy Skills (TOSLS): Measuring Undergraduates’ Evaluation of Scientific Information and Arguments Cara Gormally,* Peggy Brickman,†andMary Lutz‡ *Georgia Institute of Technology, School of Biology, Atlanta, GA 30322; †Department of Plant Biology and ‡Department of Educational Psychology and Instructional Technology, University of Georgia, Athens, GA 30602