If f(x) varies directly with x and f(x)= 128 when x=19 , find the value of f(x) when x=6. Round you final answer to the nearest whole number. You must show your work on
this problem to earn credit.

Aresearch study is done to find the average age of all u. s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample