a) Suppose that a newspaper in wisconsin wants to take a statewide survey concerning state budgetary issues. the newspaper creates a sample by randomly selecting 50 people from each contry in the state. which of the following terms best describes the type of the sample created?
( a simple random sample, a cluster sample, a statified sample, a systematic sample)
b) A local school telephone company is conducting a study of consumer preferences. some variables of interest include: type of telephone, owership of a cordless phone, lenght ( in minutes) of local calls per month, and monthly charges ( in dollars and cents) . which of these variables are quantitative?
1. length of local calls per month
2. type of telephone and length of local calls per month
3. only type of telephone
4. type of telephone and ownership of cordless phones
5. length of local calls per month and monthly charges