p値 is read as ぴーち (piichi) and means p-value.
ぴーち
piichi
すうち
reading (on a meter, etc.)
あたい
value
おわりね
closing price
たかね
high price
やすね
low price
したね
lowest price
はんね
half price
ひけね
closing quotations
うわね
higher price
なかね
medium or average price
いいね
asking price
たてね
official market quotations