Answer:
1. single sample design
2. matched pairs
3. two independent samples.
Step-by-step explanation:
the response variable is known as the dependent variable, it is the variable that the researcher is interested i finding. the response variable is the x variable that responds to changes in the independent variable.
1.
In this question the researcher has only one sample that is the specimen. that is the reference specimen that she obtained. Therefore it is a single sample design.
the response variable here is the measurement of concentration.
2. In this question we have two pairs, men and women. The researcher is interested in comparing attitudes as she interviews them. so response variable is attitude or behavior
3. this is a 2 independent sample design. The researcher is using two different methods to test and their average is being compared.
Since we already know that the slope is 0, x cancels out in the equation.
y = mx + b → y = b
We just need to find the y-intercept. Using the coordinate (2, 4) we can substitute with y.
4 = b
Hence, the answer is b) y = 4
Hope This Helped! Good Luck!
Answer: Is the last one. D
Hope this helps
Answer:
Associative property of multiplication.
Step-by-step explanation:
