Plsss help!! i would greatly appreciate it

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

What values of data might affect the statistical measures of spread and center

30 in the diagram line e and made parallel to each other and line p and q are transversal. use properties of special angles formed by parallel lines and their transversals to find the missing angle measures. m< 3=65 m< 15=120 m< 7= m< 4= m< 6= m< 1= m< 16= m< 18= m< 21= m< 10= m< 11= m< 12=