Mathematics, 16.09.2019 12:00 1tzM3
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? medals 0
answer choices:
the difference of the two means is significant, so the null hypothesis must be rejected.
the difference of the two means is significant, so the null hypothesis must be accepted.
the difference of the two means is not significant, so the null hypothesis must be rejected.
the difference of the two means is not significant, so the null hypothesis must be accepted.
Answers: 2
Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance
Answers: 2
Mathematics, 21.06.2019 18:30
Can someone me do math because i am having a breakdown rn because i don’t get it
Answers: 1
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