20. A best fit line has an r – value of 0.15. Which of the following is a true s
ID: 3258538 • Letter: 2
Question
20.
A best fit line has an r – value of 0.15. Which of the following is a true statement?
Question 20 options:
The two variables have no linear correlation.
The two variables have a strong positive linear correlation.
The two variables have a weak negative linear correlation.
The two variables have a strong negative linear correlation.
The two variables have a weak positive linear correlation.
21.
Doctors at a local hospital noted that babies born in this hospital during winter months seemed to have greater birth weights than babies born during the summer months. A research team was assigned to compile a complete list of birth weights of all babies born in this hospital during the last calendar year. The list compiled by the researchers was an example of ___________.
Question 21 options:
a census
a sample statistic
a confounding variable
a random sampling
a violation of a baby's right to privacy
The two variables have no linear correlation.
The two variables have a strong positive linear correlation.
The two variables have a weak negative linear correlation.
The two variables have a strong negative linear correlation.
The two variables have a weak positive linear correlation.
21.
Doctors at a local hospital noted that babies born in this hospital during winter months seemed to have greater birth weights than babies born during the summer months. A research team was assigned to compile a complete list of birth weights of all babies born in this hospital during the last calendar year. The list compiled by the researchers was an example of ___________.
Question 21 options:
a census
a sample statistic
a confounding variable
a random sampling
a violation of a baby's right to privacy
Explanation / Answer
20.
A best fit line has an r – value of 0.15. Which of the following is a true statement?
Answer: The two variables have a weak positive linear correlation
Q 21
Answer: a census
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.