1. Determine whether the numerical value is a parameter or a statistic. Explain your reasoning. The average salary of all assembly-line employees at a certain car manufacturer is $30,000.

2. Identify the data set's level of measurement. the amounts of fat (in grams) in 37 cookies

3. Identify the population and the sample. A survey of 1212 American households found that 52% of the households own a computer.

4. Identify the data set's level of measurement. the data listed on the horizontal axis in the graph Internet Usage Percent of subscribers 13 25 37 48 73 85 Minutes online O interval ratio nominal ordinal