Question

independent practice
a local high school has a student population of about 1000 during any given year. school board members were interested to know the percentage of students suspended from school two or more times during their high school career, so they chose four students and followed them over four years. they reported that 50% of students were suspended from school two or more times during the four years. what is wrong with this study?
a. some of the sample data are missing.
b. the conclusion is based on a small sample.
c. the relationship between two variables implies one causes the other.
d. this is a self - interest study.
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Explanation:

The high - school has a population of about 1000 students, but only 4 students were chosen for the study. A sample size of 4 is too small to accurately represent the entire student population and draw valid conclusions about the percentage of students suspended two or more times.

Answer:

B. The conclusion is based on a small sample.