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 13:30
An animal shelter has 21 puppies. if the puppies are 28% of the total dogs and cat population how many dogs and cats are in the animal shelter
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Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
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Mathematics, 21.06.2019 20:30
What is always true when two whole numbers are subtracted?
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Mathematics, 21.06.2019 22:00
The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities
Answers: 1
Determine whether the study is an experiment or an observational study, and then identify a major pr...
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