Giving out brainliest answer!! please help me out i don’t understand

Im pretty sure its 25 bc other side 53 so 2x which is x 2 times 25+25+3 =53

Step-by-step explanation:

Pls tell if im right later (:

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.