Answer:
A
Step-by-step explanation:
The dispersion refers to the overall spread of the data — how "disperse" it is across values.
The independent variable is what you manipulate in a study, whereas the dependent variable is what you measure.
Central tendency is another word for average.
<em>look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>
<em>H</em><em>ope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em>
<em>G</em><em>ood</em><em> </em><em>luck</em><em> </em><em>on</em><em> </em><em>your</em><em> </em><em>assignment</em>
Line tu is parallel to rs
15·x²=15·x so
x²=x
x·x=x with x≠0 than x must be 1
x=1