You want to determine the average number of children in Ohio houses. What is the population? What is the type of variable? How would you sample the data (sampling plan and details)? Be very specific and thorough.

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score