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 ▼ because the researcher ▼ 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 23:00, Ellafrederick
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.
Answers: 2
Mathematics, 21.06.2019 23:30, ameliaduxha7
What is the explicit rule for the sequence in simplified form? −1,−4,−7,−10,−13… an=4−5n an=−4−3n an=2−3n an=−6−5n
Answers: 1
Determine whether the study is an experiment or an observational study, and then identify a major pr...
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