HELP FAST A school district wanted to compare ACT scores
between two of its schools (school A and school B).
The dotplots below summarize the ACT scores for
simple random samples of 30 students from each
school.
The median score was 22 for both samples. Which of
the following statements is true about the mean ACT
for each sample?
ACT Scores
The mean score for the sample from school A is
equal to the mean score for the sample from school
B.
The mean score for the sample from school A is less
than the mean score for the sample from school B.
The mean score for the sample from school A is
greater than the mean score for the sample from
school B.
We cannot determine the relationship between the
mean ACT scores without knowing the actual scores
on the exam.
School A
School B