Answer:
Identifying at least one confounding variable that undermines the conclusion drawn in the fictional study is:
All students took the same comprehensive test.
Step-by-step explanation:
In a study, an independent variable causes an effect on the dependent variable. But a confounding variable is the variable that influences the independent variable as well as the dependent variable. If this third variable is not controlled, it might lead the researcher to make a wrong estimate of the relationship that exists between the independent variable and the dependent variable.
Answer:
ii)
Step-by-step explanation:
Find the solution in the given attachement
-9/3 + 4
-3 + 4 = 1
The answer to the question
Answer:
part A is crosby is correct because when u see multiplying by exponents, the exponents are gonna be added.
part B is Adam is correct because when u divide numbers by exponents its gonna be subtracting the exponents
Step-by-step explanation:
hope this helps
Answer:
Firstly you need to put the equation in form of. y =ax+b
Let us do it
We have
2x-2y=18
-2y=18-2x
-y=(18) /2 - (2x)/2
-y =9-x
Mutiply by - to remove it beside y
Y=-9+x
Which is y=x-9
Slope =a=1
Yintercept=b=-9
