Question

The table below shows the number of students from different classes of two schools who participated in a debate:

School A 24 18 2 22 19 21 20 23 1
School B 3 2 1 5 14 12 3 4 3


Part A: How can you use box plots to compare the median and interquartile range of the data? Write the minimum value, first quartile, median, third quartile, and interquartile range for the two sets of data. (5 points)

Part B: Are the box plots symmetrical in shape? Justify your answer. (5 points)

Answer 1

@campbell_st

Answer 2

@robtobey

Answer 3

well just looking at the data I would say School A is negatively skewed and School B is positively skewed.

You really need to draw the box and whisker plot for each set to do a comparison.

here is a link to an interactive box plot...

just enter the data then look at your questions


http://www.shodor.org/interactivate/activities/BoxPlot/

Answer 4

ok thanks @campbell_st