Mark works downtown. Yo get to work each morning, he takes a train then transfers to a bus. One day, the train portion of his commute took 22 minutes, and the bus portion of his commute took another 13 minutes. He is curious to know which portion of his commute that day was closer to the mean.

The table summarizes the mean transit time and standard deviation for each part of his commute.

Part of Mark's Mean Standard Commute Time Time |Deviation Train 22 19.9 1.5 Bus 12 13 10.8 Find the z-scores corresponding to each portion of his commute. Round to two decimal places, if necessary. Provide your answer below: Train z-score: O