Line DE is 4 squares and Line BC is 8 squares.
The length of line DE is 1/2 of line BC
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.
There are 60 minutes in an hour, so 1 hour is equal to 60 minutes.
Hope that helped =)
Answer:
12
Step-by-step explanation:
1/5 of 15 is 3. 3 shirts are grey. 15-3 is 12. 12 t shirt are white.