In a normal curve, the proportion of the area under the curve between two scores represents
a. the frequency of the lower score.
b. the relative frequency of the lower score.
c. the relative frequency of all scores between the two scores.
d. the relative frequency of all scores below the upper score.
Question 2
The relative frequency of a score must be
a. a value between 0 and 100.
b. represented using a histogram chart.
c. a value equal to or greater than the score's frequency.
d. a value between 0 and 1.