![subject](/tpl/images/cats/mat.png)
Mathematics, 22.05.2021 22:20 henryzx900
A researcher places a radio advertisement offering $32 in exchange for participation in a short study. The researcher accepts the first nine people who respond to the advertisement. Which of the following statements is true about the sample? (5 points) It is a valid sample because the first nine people were selected to participate. It is not a valid sample because it is not a random sample of the population. It is a valid sample because money was offered to participants. It is not a valid sample because it is only a short study.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
Ineed ! the person who answers and shows their work on they got the answer first will be marked the !
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:20
Biggest exam of the which of the following are polynomial functions?
Answers: 1
You know the right answer?
A researcher places a radio advertisement offering $32 in exchange for participation in a short stud...
Questions
![question](/tpl/images/cats/geografiya.png)
Geography, 09.09.2021 02:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 09.09.2021 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.09.2021 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 09.09.2021 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.09.2021 02:10
![question](/tpl/images/cats/fizika.png)
Physics, 09.09.2021 02:10