Democrat Republican 190 200 210 220 230 Rate in wordsmin 160

Democrat Republican 190 200 210 220 230 Rate (in words/min) 160 170 180

Solution

a) the outlier is 225 words/min for democrat and outlier for republican is 222 word/min

b) median for Democrat is 187.5 word/min and median for Republican is 196 word/min.

c) Inter quartile range for Demcrat is 199-175 = 24 and Inter quartile range for Republican is 207-185=22

d)Firstly speaking rate for Republican is higher than the democrat. next the variablity in the speaking rate is higher for Democrat.