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) Responses No, because he did not choose students randomly. No, because he did not choose students randomly. 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. No, because his representative sample is too large. Yes, because all members of the sample play at least one musical instrument.
No, because he did not choose students randomly. Random sampling is important to ensure that the sample is representative of the entire population. By only selecting students from the band classes, Tom may have introduced bias into his sample.
