Question: Question 1

(a) Identify the population and the sample: A survey of 787 small-business managers found that 72% are optimistic about the future of their company.

(b) Determine whether the numerical value describes a parameter or a statistic: 19% of a sample of Indiana 9th graders surveyed smoked cigarettes daily.

(c) Determine whether the data are qualitative or quantitative and explain your Solution: The zip codes of a sample of 350 residents of nursing homes.

(d) Identify the data set's level of measurement and explain your Solution: The heights (in inches) of the 2003-04 Chicago Bulls are listed: 82 76 85 77 83 81 79 80 77 75 80 80 81 74 81

(e) Identify which sampling technique was used in the study and explain: Law enforcement officials use a radar gun to measure the speed of every tenth vehicle on an interstate.