Can someone help me with this question, please?.

Answer:
a) A. Grouped and C. Discrete
b) 0<t≤2
c) 15%
Step-by-step explanation:
Explanation for b):
11 40 53 95 141
The group of 0<t≤2 contains the median.
Explanation for c):
11+40+53+95+141= 340
11+40=51
51/340= .15= 15%