![subject](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 06:00 ac9878355
"According to the Web site for the ACT College Entrance Exam, 1,300,599 U. S. high school seniors took the ACT in
2007, earning a mean composite score of 21.1, with a standard deviation of 5.0. Suppose the ACT was administered
to a random sample of 100 seniors from a large public school district in Ohio and the sample mean was 22."
Question 1
1 pts
What would be
A) the (non directional) null hypothesis, and
B) the research hypothesis
(To receive credit, you must state BOTH hypotheses.)
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:50
Name the most appropriate metric unit for each measurement like the mass of cow
Answers: 2
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:40
The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?
Answers: 1
You know the right answer?
"According to the Web site for the ACT College Entrance Exam, 1,300,599 U. S. high school seniors to...
Questions
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 18.03.2021 22:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 18.03.2021 22:20
![question](/tpl/images/cats/himiya.png)
Chemistry, 18.03.2021 22:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 22:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 22:20
![question](/tpl/images/cats/biologiya.png)
Biology, 18.03.2021 22:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 22:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 22:20
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 22:20