Answer:
49.5 texts
Explanation:
The total number of students is
11+21+33+23+12 = 100
The middle is 50
150 is in the middle group
The median will be between 40 -59
The best estimate for the median is to add the 40+59 and divide by 2
(40+59)/2 = 99/2 = 49.5 texts