A group of students is making a quilt for their teacher. The line plot shows the different lengths of fabric they are using. Which is the difference between the longest length and the shortest length of fabric used by the students?

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