Determine whether the study depicts an observational study or an experiment.
Students a...
Mathematics, 07.03.2020 00:24 megamorph
Determine whether the study depicts an observational study or an experiment.
Students are randomly divided into two groups. One group is taught German in a primarily oral class the other is taught German in a primarily written class. After 1 semester, each group is given a German test to compare fluency.
Choose the correct description of the study
a. The study is an experiment because the study examines individuals in a sample, but does not try to influence the variable of interest.
b. The study is an observational study because the study examines individuals in a sample, but does not try to influence the variable of interest.
c. The study is an experiment because the researchers control one variable to determine the effect on the response variable.
d. The study is an observational study because the researchers control one variable to determine the effect on the response variable.
Answers: 3
Mathematics, 21.06.2019 18:10, chyyy3
The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%
Answers: 2
Mathematics, 21.06.2019 20:20, maxi12312345
Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form
Answers: 1
Mathematics, 20.09.2020 02:01
Chemistry, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01
Mathematics, 20.09.2020 02:01