Mathematics, 03.07.2019 00:30 Yskdl
Determine whether the study is an experiment or an observational study, and then identify a major problem with the study. a medical researcher tested for a difference in systolic blood pressure levels between male and female students who are 12 years of age. she randomly selected four males and four females for her study. this is an â–¼ because the researcher â–¼ applies a treatment to does not attempt to modify the individuals. what is a major problem with the study? a. this is a convenience sample with voluntary response, which has a high chance of leading to bias. b. the sample includes male and female students. c. there is no blinding, which has a high chance of leading to bias. d. the sample is too small.
Answers: 1
Mathematics, 21.06.2019 19:40
Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?
Answers: 3
Mathematics, 22.06.2019 00:00
If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
Answers: 1
Mathematics, 22.06.2019 00:10
Of f(x) is byof f(x)=-3|x| x-.f(x)? a )f(x)=3|x| b) f(x)=|x+3| c) f(x)= -3|x| d) f(x)= -|x+3|
Answers: 2
Determine whether the study is an experiment or an observational study, and then identify a major pr...
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