Mathematics, 16.04.2020 00:17 lyn36
IQ levels: A study investigated whether there are differences between the mean IQ level of people who were reared by their biological parents and those who were reared by someone else. What is the null hypothesis in this case? Group of answer choices a. The mean IQ level of people who were reared by their biological parents is higher than the mean of those who were not. b. The mean IQ level of people who were reared by their biological parents is lower than the mean of those who were not. c. There is no difference between the mean IQ levels of people who were reared by their natural parents and those who were not. d. There is a difference between the mean IQ levels of people who were reared by their natural parents and those who were not.
Answers: 1
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Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap
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Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
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Mathematics, 22.06.2019 02:30
How many and of which kind of roots does the equation f(x)=x3−x2−x+1
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IQ levels: A study investigated whether there are differences between the mean IQ level of people wh...
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