asialoggin21
12.01.2021 •
Mathematics
A researcher is interested in assessing the effects of jogging on stress reduction. He identifies 2 who jog regularly and 25 who may exercise in other ways but do not jog. The researcher interviews ead people to determine their reactions to stress. The 50 subjects did not know they were part of a study the following statements is true?
(a) This is an observational study.
(b) This is a matched pairs experiment.
(c) This is a double-blind study
(d) This is a completely randomized experiment.
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Ответ:
(a) This is an observational study.
Step-by-step explanation:
Based on this information we can say that this is an observational study. The researchers in this scenario are not interfering with the choices that each individual is choosing or even with the overall environment. They are simply observing the actions taken by each individual and then collecting the data by asking them some questions. The entire process of this study would fall into the category of being an observational study.
Ответ:
No
Step-by-step explanation:
All linear functions can be written in the form y = mx + b, where m is the slope and b is the y-intercept (slope-intercept form). ... This function, y = 5/x, is a hyperbola, with a vertical asymptote at x = 0 and horizontal asymptote at y = 0