Which data set has the greatest spread for the middle 50% of its data? {18, 13, 22, 17, 21, 24} {17, 19, 22, 26, 17, 14} {13, 17, 12, 21, 18, 20} {18, 21, 16, 22, 24, 15}

The right answer for the question that is being asked and shown above is that: " {13, 17, 12, 21, 18, 20}" the d ata set that has the greatest spread for the middle 50% of its data is this one, {13, 17, 12, 21, 18, 20}