What fraction of the data lies outside the following ranges from the mean? (i) ± 4 σ and (ii) ± 5 σ . what is the (symmetric) range within which the following fractions of the data lie? (i) 50% and (ii) 99.9%.

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.