Asked by John
Five friends go bowling and finish with the following scores. Jim bowls a 129, Bob bowls a 150, Ann bowls a 133, Tom bowls a 162 and Gina bowls a 148. Find Tom's z-score. Treat the data as a population. Don't forget to round to the nearest tenth.
The book says value-mean divided by sd. I have no idea what sd is.
The book says value-mean divided by sd. I have no idea what sd is.
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