If the Heights of Male College Basketball Players and Female $\mu _ { 1 } - \mu _ { 2 }$

If the heights of male college basketball players and female basketball players are used to construct a 95% confidence interval for the difference between the two population means, the result is 15.35 cm < $\mu _ { 1 } - \mu _ { 2 }$ < 19.81 cm, where heights of male players correspond to population 1 and heights of female players correspond to Population 2. Express the confidence interval with heights of female basketball players being population 1 and Heights of male basketball players being population 2.

A) $- 19.81 \mathrm {~cm} < \mu _ { 1 } - \mu _ { 2 } < - 15.35 \mathrm {~cm}$
B) $15.25 \mathrm {~cm} < \mu _ { 1 } - \mu _ { 2 } < 19.81 \mathrm {~cm}$
C) $- 15.35 \mathrm {~cm} < \mu _ { 1 } - \mu _ { 2 } < - 19.81 \mathrm {~cm}$
D) This cannot be determined without having the original data values.