For what type of data are frequencies the only calculations that can be done?
a. interval data
c. ordinal data
b. nominal data
d. none of these choices.

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)

The answer is the first one