Telecommunication and Information Technology > EXAM > Webassign Section 1.3 EXAM ALL ANSWERS 100% CORRECT SPRING FALL-2023/24 EDITION GUARANTEED GRADE A+ (All)

Webassign Section 1.3 EXAM ALL ANSWERS 100% CORRECT SPRING FALL-2023/24 EDITION GUARANTEED GRADE A+

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Consider a completely randomized experiment in which a control group is given a placebo for congestion relief and a treatment group is given a new drug for congestion relief. Describe a double-blind procedure for this experiment. Neither the patients nor those administering the treatments know which patients received which treatments. What are some benefits of such a procedure? (select all that apply) This process should eliminate potential bias from patient psychology regarding benefits of the drug. This process should eliminate potential bias from the treatment administrators Zane is examining two studies involving how different generations classify specified items as either luxuries or necessities. In the first study, generation A is defined to be people ages 12-23. The second study defined generation A to be people ages 16-27. Zane notices that the first study was conducted in 2004 while the second one was conducted in 2008. A) Are the two studies inconsistent in their description of generation A? B) According to the 204 study, what are the birth years of generation A? A) No, the age ranges updated with the studies. B) 1981-1992 Which technique for gathering data (observational study or experiment) do you think was used in the following studies? A) The Colorado Division of Wildlife netted and released 774 fish at Quincy Reservoir. There were 219 perch, 315 blue gill, 83 pike, and 157 rainbow trout. B) The Colorado Division of Wildlife caught 41 bighorn sheep on Mt. Evans and gave each one an injection to prevent heart worm. A year later, 38 of these sheep did not have heart worm, while the other three did. C) The Colorado Division of Wildlife imposed special fishing regulation on the Deckers section of the South Platte River. All trout under 15 inches had to be released. A study of trout before and after the regulation went into effect showed that the average length of a trout increased by 4.2 inches after the new regulation. D) An ecology class used binoculars to watch 23 turtles a Lowell Ponds. It was found that 18 were box turtles and 5 were snapping turtles. A) This is an observational study because observations and measurements of individuals are conducted in a way that doesn't change the response or the variable being measured. B) This is an experiment because a treatment was deliberately imposed on the individuals in order to observe a possible change in the response or variable being measured. C) This is an experiment because a treatment was deliberately imposed on the individuals in order to observe a possible change int he response or variable begin measured. D) This is an observational study because observations and measurements of individuals are conducted in a way that doesn't change the response of the variable being measured.

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