Mathematics, 11.10.2019 20:20 kennethDA19
Astudy revealed a strong, linear, positive association between years of education and salary for educators. another study revealed a strong, linear, positive association between years of education and salary for business people. when the data were combined, the association became negative.
what is this an example of?
observational study
experimental study
cause-and-effect relationship
error by the statistician
simpson's paradox
Answers: 3
Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
Astudy revealed a strong, linear, positive association between years of education and salary for edu...
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