2) Suppose you want to determine the effect of three temperatures (15, 25, and 30 *C)...
4. The foundation of experimental design comes from agriculture. Here is a typical experiment You want to study the effect of two fertilizers, sulfate of ammonia and superphosphate, on the yield of Brussels sprouts. Each fertilizer is used at four levels: 0, 30, 60, and 90 pounds per acre. (a) Describe the response variable (b) Describe the treatments. How many levels for each treatment? (c) List a complete set of treatment combinations. Arrange your list in table form (d) Suppose...
Statistics Exam 2 (1) Compatibility Mode Layout References Mailings ReviewView HelpTell me what you want to do A-e. A.|ー 1,-. Isa-B. ||1Normal 1No Spac Heading 1 Heading 2 Title Paragraph Styles a matched-subjects design d. all of the above would require the same number of subjects 22. For an experiment comparing two treatment conditions, an independent-measures design would obtain score(s) for each subject and a repeated-measures design would obtainscore(s) for each subject a. 1, 1 b. 1,2 c. 2,1 d....
QUESTION 5 a) Some people say if you want cut roses to last longer, you should add aspirin to the water. Others say add sugar. However, Aminah says adding 2 table spoon of bleach per one liter of water will work better than anything else. Design an experiment based on the following questions. i) State the hypothesis. (2 marks) ii) Determine the independent and dependent variables. 4 marks) ii) Identify the appropriate statistical analysis to be used and give the...
Question 2 (7 parts, 25 marks) Following your initial analysis in Question 1 above, you think that, in addition to cannabis use, road conditions may also affect driving abilities and contribute to an increased risk of road accidents. You suggest that further testing be made using 5 different road-condition scenarios in the virtual driving simulator. Your proposal is accepted and a new group of 60 individuals are solicited to participate in the study and are randomly assigned to one of...
You must attempt all questions. You must use Minitab and/or Excel to solve all questions. Show all of your works. State your hypothesis if required, Do NOT give the numerical final answer only, you MUST comment on all of your final finding. If required, use ?=0.05 for all the tests. Q1) 10 points A study of speeding violations and drivers who use cell phones produced the following fictional data: Speeding ticket No speeding ticket Uses cell phone while driving 40...