What is x? i'm pretty sure its 70 degrees because i think the angle i labeled "y" is 140 and i would think that the angle is cut in half by the dotted line, making x=70 because of the vertical angles theorem but i'm not sure how to prove

answear:

a

step-by-step explanation: a

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.

i would need to see the dot plot : )

what graph

step-by-step explanation: