Social Studies, 10.03.2020 19:09 EMQPWE
Select the best answer. Vigorous exercise helps people live several years longer (on average). Whether mild activities like slow walking extend life is not clear. Suppose that the added life expectancy from regular slow walking is just 2 months. A statistical test is more likely to find a significant increase in mean life expectancy if (a) it is based on a very large random sample and a 5% significance level is used.(b) it is based on a very large random sample and a 1% significance level is used. (c) it is based on a very small random sample and a 5% significance level is used. (d) it is based on a very small sample and a 1% significance level is used. (e) the size of the sample doesn't have any effect on the significance of the test.
Answers: 3
Social Studies, 21.06.2019 23:00, mmcdaniels46867
In your opinion which are the 3 most important statistics to improve to promote a better future in america and why?
Answers: 3
Social Studies, 22.06.2019 22:40, ejones123
Which of the following policies is an example of a command-and-control policy? a. subsidies to education b. maximum levels of pollution that factories may emit c. tradable pollution permits d. none of the above is an example of a command-and-control policy.
Answers: 2
Select the best answer. Vigorous exercise helps people live several years longer (on average). Wheth...
Mathematics, 11.03.2020 02:29
Mathematics, 11.03.2020 02:29