Which measurement scale includes a zero, but not a true zero?
a. ordinal c. ratio
b. interval d. nominal
Question 2
Suppose you randomly select 40 participants, measure the length of each one's index finger, and also administer an IQ test to each. In this, you are investigating whether
a. there is a relationship between index fingers and IQ.
b. there is a relationship between length of index finger and IQ score.
c. long index fingers cause subjects to have high IQ scores.
d. IQ depends on length of index finger.