What type of variable is the number of robberies reported in your city?

A)Attribute

B)Continuous

D)Qualitative

A group of 100 students was surveyed about their interest in a new International Studies program. Interest was measured in terms of high, medium, or low. 30 students responded with high interest; 50 students responded with medium interest; 40 students responded with low interest. What is the relative frequency of students with high interest?

A. 30%

B. 50%

C. 40%

D. Cannot be determined.

This is the formula I used kindly advise what I did incorrectly

Relative frequency of student with high interest

= (Number of students with high interest)/Total

= 30/100

=30% - Marked as incorrect