) The temperatures that Theo records are shown. Use an approximation to decide if the mean temperature is positive or negative.

Date

Te

) First round each temperature to the

nearest 10. What is the sum of the

rounded temperatures?

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