![subject](/tpl/images/cats/mat.png)
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.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 20.06.2019 18:04
Use the function value to find the indicated trigonometric value in the specified quadrant.function value quadrant trigonometric valuecsc(θ) = −4 iv cot(θ)cot(θ)=?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Given ab and cb are tangents of p, and m =10°. what is the measure of abp?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:10
Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft
Answers: 1
You know the right answer?
Ateacher wants to compare scores on a geology exam for two classes. the difference between the sampl...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 11.03.2020 07:28
![question](/tpl/images/cats/geografiya.png)
Geography, 11.03.2020 07:28
![question](/tpl/images/cats/istoriya.png)
History, 11.03.2020 07:28
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 07:28
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 07:28
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 07:28
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.03.2020 07:29
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/health.png)
Health, 11.03.2020 07:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 11.03.2020 07:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.03.2020 07:31
![question](/tpl/images/cats/en.png)
English, 11.03.2020 07:32