Fig. 2

The QQ plots for Indicator Variable 6 and Indicator Variable 41. (a) The sixth indicator of BOT. (b) The 41st indicator of BOT. (c) The sixth indicator of OC. (d) The 41st indicator of OC.

The QQ plots for Indicator Variable 6 and Indicator Variable 41. (a) The sixth indicator of BOT. (b) The 41st indicator of BOT. (c) The sixth indicator of OC. (d) The 41st indicator of OC.