Random sampling. its where you pick or make a smaple at random
First equation: x=-y+8
Second equation: on the picture
Answer:
Mate im sorry for replying here but i need points to ask a question.
Answer:
The experimental factor that is manipulated; the variable whose effect is being studied is called <u>independent variable.</u>
Step-by-step explanation:
Consider the provided information.
In an experiment, the two principal variables are the independent and dependent variable.
An independent variable is the variable that is altered or controlled to test the effects on the dependent variable in a scientific experiment.
The variable which is tested and measured in a scientific experiment is a dependent variable.
From the above definition: The experimental factor that changed or controlled in a scientific experiment is called independent variable.
Therefore, the complete statement is: The experimental factor that is manipulated; the variable whose effect is being studied is called <u>independent variable.</u>
Answer:
8
Step-by-step explanation:
Your son is half your age minus 9, so half of 34 is 17. 17 - 9 = 8
