Work out the following:
15 learners at Mlima Ndogo primary school were asked to name their favorite domestic animals. They gave the following responses
cow, dog, goat, cow, sheep, cat, cow, sheep, dog, sheep, cow, goat, sheep, cow, sheep.

 a)How many students selected;   
 Cow    

  Dog  

  Goat  

  Sheep 

  Cat