The number of fishes between 30cm and 40cm is 0.8 fishes
A histogram is a graphical representation of data distribution.
It consists of bars where the length or height represents the frequency of data within specific intervals or bins.
Histograms provide a visual summary of data patterns and variations.
The histogram shows no of fish against the length of the fish.
Each small box represents 0.1 units on the vertical axis.
The number of fishes between 30cm and 40vm long which is the last block of the histogram is
0.1 × 8
= 0.8 fishes.
Therefore, the number of fishes between 30cm and 40cm is 0.8