Question

Find the mean of the following distribution:
Height (in cm)
Less than 75
Less than 100
Less than 125
Less than 150
Less than 175
Less than 200
Less than 225
Less than 250
Less than 275
Less than 300
21
28
33
37
45
50

Answer 1

Answer:

this is not right questions

Answer 2

Answer:

is 21,28,33, etc are less than cumulative frequency??

write the complete question please