Tom wants to know the average number of musical instruments students in his school play. He used the school’s two band classes, consisting of a total of 48 students, as his representative sample. He concluded that students in his school play an average of three musical instruments. Is his conclusion valid?(1 point)

Question

Responses

No, because he did not choose students randomly.
No, because he did not choose students randomly.

Yes, because all members of the sample play at least one musical instrument.
Yes, because all members of the sample play at least one musical instrument.

Yes, because the sample includes both males and females who play musical instruments.
Yes, because the sample includes both males and females who play musical instruments.

No, because his representative sample is too large.

Answer 1

The correct response is:

No, because he did not choose students randomly.

Tom's sample consists only of students from two band classes, which may not be representative of the entire student population at his school. Students in band classes are likely to have a higher interest in music and may play more instruments than the average student, leading to a potentially biased conclusion. Random selection would provide a better representation of the overall student body.