Mathematics, 28.01.2021 20:00 lineaeriksen
The difference of sample means of two populations is 55.4, and the standard deviation of the difference of sample means is 28.1. Which statement is true if we are testing the null hypothesis at the 95% confidence level? A. The difference of the two means is significant, so the null hypothesis must be rejected. B. The difference of the two means is significant, so the null hypothesis must be accepted. C. The difference of the two means is not significant, so the null hypothesis must be rejected. D. The difference of the two means is not significant, so the null hypothesis must be accepted.
Answers: 2
Mathematics, 21.06.2019 12:30, acesangel173
In the diagram below what is the approximate length of the minor arc ab
Answers: 1
Mathematics, 21.06.2019 21:00, mccdp55
Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]
Answers: 1
Mathematics, 22.06.2019 01:00, powella033
Azul has 4 green picks and no orange picks. you add orange picks so that there are 2 orange picks for every 1 green pick. how many picks are there now.
Answers: 2
The difference of sample means of two populations is 55.4, and the standard deviation of the differe...
Spanish, 04.02.2021 20:40
Mathematics, 04.02.2021 20:40