Mathematics, 28.11.2019 07:31 ZachLaVine2016
Ateacher wants to compare the mean geology scores of two different classes. she is testing the null hypothesis that there is no difference in the population mean scores of the two classes. the difference of the sample means is 51.4. if the standard deviation of the distribution of the difference of sample means is 16.66, what is the 95% confidence interval for the population mean difference?
between -33.2 and +33.2
between -49.9 and +49.9
between -102.8 and +102.8
between -154.2 and +154.2
Answers: 2
Mathematics, 21.06.2019 16:00, orlando19882000
You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?
Answers: 1
Mathematics, 21.06.2019 22:00, BeautyxQueen
What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?
Answers: 1
Mathematics, 22.06.2019 00:00, Averybeam300
If two parallel lines are cut by a transversal, interior angles on the same side of the transversal are supplementary. a. always b. sometimes c. never
Answers: 2
Ateacher wants to compare the mean geology scores of two different classes. she is testing the null...
Mathematics, 21.09.2020 14:01
History, 21.09.2020 14:01
Social Studies, 21.09.2020 14:01
Mathematics, 21.09.2020 14:01
English, 21.09.2020 14:01
Mathematics, 21.09.2020 14:01