4. a student wants to determine what type of cereal his classmates like best. he buys 3 boxes of his most favorite puffed rice cereal and one oat cereal. he pours 5 bowls of each cereal and gave one to 20 of his classmates. he asks if they liked the cereal they had or not. his data shows that more people like the puffed cereal more than the oats cereal. he comes to the conclusion that the puffed cereal is better than the oats cereal. what is wrong with the student's conclusion?

a. the student's conclusion is not honest

b. the student's conclusion shows cultural bias

c. the student's conclusion shows skepticism

d. the student's conclusion shows experimental bias