As of this writing, Sandra Bullock was the last woman to win an Oscar for Best Actress and Jeff Bridges was the last man to win for Best Actor. At the time of the awards, Sandra Bullock was 45 years old, and Jeff Bridges was 60 years old. Based on a data set, The Best Actresses have a mean age of 35.9 years old and a standard deviation of 11.1 years. The Best Actors have a mean age of 44.1 years and a standard deviation of 9.0 years. Relative to their genders, who was younger when winning the Oscar? Sandra Bullock or Jeff Bridges? (hint: use standardized z scores)
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