Which technique for gathering data observational study or experiment do you think was used in the following studies a The

Question

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 This is an experiment because observations and measurements of individuals are conducted in a way that doesn t change the response or the variable being measured 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 This is an observational study because a treatment was deliberately imposed on the individuals in order to observe a possible change in the response or variable being measured 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 The Colorado Division of Wildlife caught 41 bighorn sheep on Mt Evans and gave each one an injection to prevent heartworm A year later 38 of these sheep did not have heartworm while the other three did This is an experiment because observations and measurements of individuals are conducted in a way that doesn t change the response or the variable being measured 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 This is an observational study because a treatment was deliberately imposed on the individuals in order to observe a possible change in the response or variable being measured 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 The Colorado Division of Wildlife imposed special fishing regulations 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 This is an experiment because observations and measurements of individuals are conducted in a way that doesn t change the response or the variable being measured This is an observational study because a treatment was deliberately imposed on the individuals in order to observe a possible change in the response or variable being measured 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 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 d An ecology class used binoculars to watch 23 turtles at Lowell Ponds It was found that 18 were box turtles and 5 were snapping turtles This is an experiment because observations and measurements of individuals are conducted in a way that doesn t change the response or the variable being measured This is an observational study because a treatment was deliberately imposed on the individuals in order to observe a possible change in the response or variable being measured 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 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

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