Mathematics, 16.01.2020 10:31, jonnycampbell223
Ateacher 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.
the difference between the two means is not significant, so the alternative hypothesis must be rejected.
b.
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: 2
Mathematics, 21.06.2019 12:30, AquariusOx
The diameter of a table is 5 feet. what is the circumference
Answers: 1
Mathematics, 21.06.2019 13:20, allicat133
Given the following statements, which is the best
Answers: 2
Mathematics, 21.06.2019 22:10, bigboss3026
Which of the following circles have their centers in the third quadrant?
Answers: 2
Ateacher wants to compare scores on a geology exam for two classes. the difference between the sampl...
English, 12.07.2019 12:30
Chemistry, 12.07.2019 12:30
History, 12.07.2019 12:30
Mathematics, 12.07.2019 12:30
History, 12.07.2019 12:30