Lisa is 12 centimeters taller than her friend ian. ian is 16 centimeters taller than jim. every month, their heights increase by 2 centimeters. in 8 months, the sum of ian's and jim's heights will be 170 centimeters more than lisa's height. how tall is ian now? let h be ian'a height today in centimeters.

(h+16)++16=+170

ian is _ centimeters tall now.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain