Mathematics, 12.03.2020 23:59, aaminohasan142
A teacher wants to compare scores on a geology exam for two classes. The difference between the sample means is 21.4. If the standard
deviation of the distribution of the difference between sample means is 16.66, and she is testing the hypothesis at the 68% confidence level
which statement is true?
A. The difference between the two means is significant, so the null hypothesis must be accepted.
B. The difference between the two means is not significant, so the alternative hypothesis must be rejected.
C. The difference between the two means is not significant, so the null hypothesis must be rejected.
D. The difference between the two means is not significant, so the alternative hypothesis must be accepted.
E. The difference between the two means is significant, so the alternative hypothesis must be accepted.
Answers: 3
Mathematics, 21.06.2019 19:00, 4presidents
The distributive property allows you to say that 3(x β 1) = 3x β
Answers: 1
Mathematics, 21.06.2019 20:00, Kalle91106
Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a
Answers: 1
Mathematics, 21.06.2019 21:30, maddie02294
Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?
Answers: 1
A teacher wants to compare scores on a geology exam for two classes. The difference between the samp...
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