These box picts represent the number of seconds that a random sample of 100 traffic lights are red in
each of two chies Johnstown and Martinville
Johnstown
Martinville
20
40
Length of Time Traffic
Lights Are Red
OC. The difference is about
60
80 100 120 140 160 180
Time (seconds)
Based on the data in the two box plots, which statement about the difference in the medians of the two
data sets is true?
A. The difference is about 23 times the range of the data for Johnstown, and about 2 times the range of data for Martinville.
O
B. The difference is about 2 times the range of the data for Johnstown, and about 23 times the range of data for Martinville.
times the range of the data for Johnstown, and about times the range of data for Martinville.
O D. The difference is about times the range of the data for Johnstown, and about times the range of data for Martinville.