Question

5) The dot plots below represent the distribution of math test scores in two 7th grade classes.Morning Classa) (3 pts) The VALUE of the smallermedian of the two groups isScore2040100Afternoon Classb) (2 pt) For which of the twoclasses is the mean lower thanthe median? (Circle one)2040Score60100morningafternoon

Answer 1

a) The median of the morning class is 80.

The median of the afternoon class is 60.

The value of the smaller median of the two groups is 60

b) In a left-skewed histogram, the mean is lower than the median. The morning class' histogram is left-skewed, then its mean is lower than its median