![subject](/tpl/images/cats/mat.png)
Mathematics, 09.04.2020 20:05 mathiscool51
Decide whether the sampling method could result in a biased sample. Write yes or no, and explain your reason.
1. A west coast based lawn service is trying to figure out how much water people use on average each month to water their lawn. They send surveys to people in Phoenix, Arizona and Seattle, Washington to compile this data.
2. Asking people in a library about the number of magazines to which they subscribe to in order to describe the reading habits of a town.
Decide whether the situation is an experiment or an observational study. Give at least one reason.
3. A teacher plays music during all tests given in a one-month period and compares the class grades with a similar class that does not have music played during tests.
4. A real estate developer records the listing and selling prices of all homes in one area to determine the difference in the listing price and the selling price.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:20
What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Which expression is equivalent to the expression shown?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:40
Which compound inequality could be represented by the graph?
Answers: 1
You know the right answer?
Decide whether the sampling method could result in a biased sample. Write yes or no, and explain you...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 16:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 16:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 16:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 16:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 11.07.2019 16:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.07.2019 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 16:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 11.07.2019 16:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.07.2019 16:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.07.2019 16:00