Determine whether the situation calls for a survey, an observational study, or an experiment.
...
Mathematics, 14.02.2020 22:20, dxpebetty64
Determine whether the situation calls for a survey, an observational study, or an experiment.
you want to find out if a new drug can help decrease the symptoms of migraine headaches.
a experiment
b observational study
c survey
Answers: 3
Mathematics, 21.06.2019 18:40, ferny5106
Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form: science fiction books to history books 2. write the ratios as fractions: dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.
Answers: 1
Mathematics, 21.06.2019 23:50, trippie4life
Determine the area of a triangle with (see picture below)
Answers: 1
Mathematics, 22.06.2019 00:30, kelseeygee
What is the value of the discrimination for the quadratic equation 0=×2+2+×2
Answers: 2
English, 26.10.2021 15:40
Spanish, 26.10.2021 15:40
Biology, 26.10.2021 15:40
Business, 26.10.2021 15:40