As part of your economics project, you need official government data on the median household income in the United States. Because you will be processing the data to make your own charts and graphs, you require raw data in spreadsheet form. Which techniques would help you locate data from an official source?

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