Determine whether the study is an observational study or an experiment. 17) A sc
ID: 3276391 • Letter: D
Question
Determine whether the study is an observational study or an experiment. 17) A scientist was studying the effects of a new fertilizer on crop yield. She randomly assigned half of the plots on a farm to group one and the remaining plots to group two. On the plots in group one, the new fertilizer was used for a year. On the plots in group two, the old fertilizer was used. At the end of the year the average crop yield for the plots in group one was compared with the average crop yield for the plots in group two. B) experiment A) observational study ID: ES6L 1.3.1-5 The personnel director at a large company would like to determine whether the company cafeteria is widely used by employees. She calls each employee and asks them whether 18) y usually bring their own lunch, eat at the company cafeteria, or go out for lunch A) observational study B) experiment ID: ES6L 1.3.1-4Explanation / Answer
Well its a Obeservational study beause here the scientist surverys the tomato growers ,he never expriement in real so its obivious that its nt experimental study .
Remember the term how to we identify this study,
• Observational study: Characteristics of a population are observed, but the population is not disturbed.
observational study draws inferences from a sample to a population where the independent variable is not under the control of the researcher because of ethical concerns or logistical constraints.
• Experiment study : Treatment is given to a individuals and their responses recorded.
an experiment is a study in which a treatment, procedure, or program is intentionally introduced and a result or outcome is observed.
Well i wish you satistfy with my ans. if you satisfy plz rate me . thanks and all the best
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