Answer:
Step-by-step explanation:
Given
See attachment for cumulative frequency histogram
Solving (a): Swimmers between 200yd and 249yd
To do this, we simply read the data from the 0 mark
From the histogram, we have:
and
So:
This gives:
Solving (b): Swimmers between 150yd and 199yd
To do this, we simply read the data from the 0 mark
From the histogram, we have:
and
So:
This gives:
Solving (c): Total swimmers
To do this, we simply read the longest bar of the histogram
Hence:
