i. A national polling organization wishes to estimate the percentage of all teenagers who believes Social Security would be there for them. The organization surveys a random sample of 1500 teenagers...

Extracted text: i. A national polling organization wishes to estimate the percentage of all teenagers who believes Social Security would be there for them. The organization surveys a random sample of 1500 teenagers and 37% of this sample says that they believe Social Security would be there for them in this survey what is the population of interest. A. The 1500 teenagers who were surveyed. B. Teenagers who believe social security will be there for them C. All teenagers. D. The people in the sample who believe social security will be there for them.


Extracted text: ii. A census differs from a sample survey because: A. A sample survey is only done when measuring the units will destroy them. B. A census is only done when measuring the units will destroy them. C. In a sample survey the whole population is measured. D. In a census the whole population is measured. iii. If Olivia wants to learn a foreign language to get an idea of how satisfied other students were after taking a foreign language course she decided to take a random sample of 20 students. If Olivia randomly select 5 students from French 5 from Germany 5 from Spanish and 5 from Chinese, the sampling method she used is a: A. Simple random sample B. stratified random sample C. Cluster sample