The radius of the circle would be 10.19 I hope this helped!! :)
9514 1404 393
Answer:
(-2, 3)
Step-by-step explanation:
Of the choices offered, the only point that is on the line is (-2, 3).
Answer:
The groups of subjects are similar, on average, in all respects before applying the different treatments to the different groups
Step-by-step explanation:
Randomization is a technique employed by researchers, which seeks to measure the effect of a treatment on a particular variable. The group is divided into the control and treatment groups. Treatment is administered to each group, and the effect is compared between them. The most important value of randomization is that it ensures that the groups who would be receiving treatments are similar on average to prevent bias caused by systematic differences. It also helps to ensure that each participant in the study has an equal chance of being selected for the study thus eliminating selection bias.
Randomization ensures that both participants and researchers do not have prior knowledge of the experiment which might influence their response to treatment.
In this item we are given with the equation, 2x - y = 3. The equation contains two variables, x and y. We assume in this item that the value of x is independent of the value of y; however, y values depends on the given values of x. In parametric form, the equation would take the form,
f(x) = y = ax + b
where a is the numerical coefficient of x and b is constant. Transforming the given equation to this form,
f(x) = y = 2x - 3
I attached a picture with the answer, hope this helps :)
