Which of the Following Statements Regarding Percentiles Is True? (More $\mathrm { P } _ { 90 }$

Multiple Choice

Which of the following statements regarding percentiles is true? (More than one statement may be true) . A : In any data set, $\mathrm { P } _ { 90 }$ is greater than $\mathrm { P } _ { 80 }$
B: In any data set, $\frac { \mathrm { P } _ { 10 } + \mathrm { P } _ { 90 } } { 2 }$ is equal to $\mathrm { Q } _ { 2 }$ C: In a set of 20 test scores, the percentile of the second highest score is 95

A) All of the above
B) C
C) B
D) A