Solve for the indicated variable a=1/2(b1+b2)h; solve for b1

solve for b1 and show the steps

i got 86 for this

hope this !

if you need an explanation just ask

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.