![subject](/tpl/images/cats/mat.png)
Mathematics, 19.12.2019 20:31 darlene93
Astatistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. a sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. you are given the following information.
today five years ago
82 88
σ2 112.5 54
n 45 36
refer to exhibit 10-3. the p-value for the difference between the two population means is
a) 0013
b) 0026
c) 4987
d) 9987
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:00
Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Determine if the equation defines y as a function of x: 2xy = 1. yes o no
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
Afunction g(x) has x-intercepts at (, 0) and (6, 0). which could be g(x)? g(x) = 2(x + 1)(x + 6) g(x) = (x – 6)(2x – 1) g(x) = 2(x – 2)(x – 6) g(x) = (x + 6)(x + 2)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag
Answers: 1
You know the right answer?
Astatistics teacher wants to see if there is any difference in the abilities of students enrolled in...
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.09.2019 10:10
![question](/tpl/images/cats/biologiya.png)
Biology, 02.09.2019 10:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 02.09.2019 10:10
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2019 10:10
![question](/tpl/images/cats/geografiya.png)
Geography, 02.09.2019 10:10
![question](/tpl/images/cats/biologiya.png)
Biology, 02.09.2019 10:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.09.2019 10:10
![question](/tpl/images/cats/biologiya.png)
Biology, 02.09.2019 10:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2019 10:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2019 10:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 02.09.2019 10:10