Frequency table
Analyzing the frequency table we have see that there are three possible of preferred pets:
Dog, cat or fish.
We want to find the number of females that do not prefer cats.
We can see on the total of females that there are 242:
Since there are 50 that prefer cats out of 242:
the number of females that do not prefer cats might be the rest, it is to say:
242 - 50 = 192
Answer: 192 females do not prefer cats.
