Answer: In observational study observer has no control on the variables but in an experiment experimenter has control over the independent variable to record the change on the dependent variable.
Step-by-step explanation:
In statistics , an observational study is a study in which a researcher just observe effects on subjects in a certain manner without interfering them.
On the other hand an experiment is a process which is done by experimenter to demonstrate a known fact or create a discovery by applying some methods to the variables .
The basic difference between an observational study and an experiment is<em> in observational study observer has no control on the variables but in an experiment experimenter has control over the independent variable to record the change on the dependent variable.</em>
Figure 2 is the translation of the provided figure.
Step-by-step explanation:
The translation is a very common term in applied geometry. It refers to the shifting of the figure without subjecting it to any kind of rotation, reflection or scaling.
The original image that is to be translated, is called pre-image after the process of translation. While the translated image is called image.
In the given figure, Only figure 2 seems to be in the same orientation as of the original image. Hence, figure 2 is the image after a translation
Answer:
5 houses
Step-by-step explanation:
40 × 1/8
40/8
5 houses
M=c•p
multiplying the prince by the number of cars washed will give you the total amount of money the school has raised
Answer:
A reflection over the x-axis
Step-by-step explanation: