STATISTICAL ANALYSIS (note: dont mind the answer hole there still no answer)

Referring to the given frequency distribution table, what is the P70 class? * 1 point Class Limits Class Boundary Class Mark Frequency (x) Fdown Fup (f) 13 33 12.5 33.5 23 10 10 50 34 54 33.5 54.5 44 3 13 40 55 75 54.5 75.5 65 10 23 37 76 96 75.5 96.5 86 9 32 27 97 117 96.5 117.5 107 7 39 18 118 138 117.5 138.5 128 9 48 11 139 159 138.5 159.5 149 2 50 2 3rd class O 4th class O 5th class 6th class