![subject](/tpl/images/cats/mat.png)
Mathematics, 24.09.2021 22:50 quoia89
A tire company wants to determine if tires made with a new type of tread will last longer than tires made with the original type of tread. The company has access to 20 different vehicles and wants to use a randomized block design for the experiment.
Which of the following variables would be the best to block the experimental units?
A. type of vehicle
B. year of vehicle
C. make of the vehicle
D. color of the vehicle
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.
Answers: 1
You know the right answer?
A tire company wants to determine if tires made with a new type of tread will last longer than tires...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 17:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.11.2020 17:10
![question](/tpl/images/cats/es.png)
Spanish, 06.11.2020 17:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)