![subject](/tpl/images/cats/biologiya.png)
Biology, 25.01.2022 02:20 Merlinemicheli4727
It has been hypothesized that a chemical known as BW prevents colds. To test this hypothesis, 20,000 volunteers were divided into four groups. Each volunteer took a white pill every morning for one year. The contents of the pill taken by the members of each group are shown in the chart below,
Which statement is a valid inference based on the
results?
A. Sugar reduced the number of colds.
B, Sugar increased the number of colds.
C. BW is always effective in the prevention of
colds.
D. BW may not be effective in the prevention of
colds.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:00
When ash and dust begin to settle on the ground, they eventually become compacted by
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:00
Aprocedure done under controlled conditions to test a hypothesis is an inquiry.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:30
Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
What do you need to use in order to work as an environmental scientist? you need to use the scientific method and__ in order to work as an environmental scientist.
Answers: 1
You know the right answer?
It has been hypothesized that a chemical known as BW prevents colds. To test this hypothesis, 20,000...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 27.02.2021 07:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2021 07:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2021 07:00
![question](/tpl/images/cats/biologiya.png)
Biology, 27.02.2021 07:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.02.2021 07:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2021 07:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2021 07:00
![question](/tpl/images/cats/istoriya.png)
History, 27.02.2021 07:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.02.2021 07:00
![question](/tpl/images/cats/es.png)
Spanish, 27.02.2021 07:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2021 07:00
![question](/tpl/images/cats/en.png)
English, 27.02.2021 07:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.02.2021 07:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
Physics, 27.02.2021 07:00