Author Question: If the pattern of dots on a scatterplot runs from upper left to lower right what does this indicate? ... (Read 61 times)

Alygatorr01285 · **on:** Jul 13, 2018

If the pattern of dots on a scatterplot runs from upper left to lower right what does this indicate?

a. that the relationship is strong
b. that the relationship is weak
c. that it is a positive relationship d. that it is a negative relationship

Question 2

Volunteer sampling which may produce non-representative samples is a particular problem with

a. face to face interviews.
b. mail questionnaires.
c. group-administered questionnaires.
d. internet surveys.