(09.06)
A teacher interested in determining the effect of a new computer program on learning t...
![subject](/tpl/images/cats/mat.png)
Mathematics, 27.04.2020 02:10 nacmp890
(09.06)
A teacher interested in determining the effect of a new computer program on learning to read conducted a study. One hundred
students were randomly assigned to one of two groups. The first group used the computer program while the second group did not.
Both groups were tested to determine how much their reading levels improved. The results for the two groups were compared.
What kind of study is this? (2 points)
This is an experiment because a treatment was applied to a group.
This is an experiment because students were able to choose which group to join
This is a survey because students were randomly assigned to groups.
This is a survey because a treatment was applied to both groups.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:20
Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30
There are 10 chicks on ginger's farm .she has 2 chicks in one outdoor pen and 5 chicks in another. the rest of the chicks are in the barn.what is the fraction of total chicks in outdoor pens?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 25.01.2022 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 25.01.2022 01:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 25.01.2022 01:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 01:00
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.01.2022 01:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 01:00