Which of the following are correct sets of data classes for a histogram?
Select all that apply.
FYI, whenever we have -? or ?, we use parentheses, never square brackets.
[84, 88], [87, 91], [90, 94], [93, 97]
[84, 87), [87, 91), [91, 96), [96, 99)
(-?, 87), [87, 90), [90, 93), [93, ?)
[84, 87), [87, 90), [90, 93), [93, 96)