Oscars In the 87th Academy Awards, Eddie Redmayne won for best actor at the age of 33 and Julianne Moore won for best actress at the age of 54. For all best actors, the mean age is 44.1 years and the standard deviation is 8.9 years. For all best actresses, the mean age is 36.2 years and the standard deviation is 11.5 years. (All ages are determined at the time of the awards ceremony.) Relative to their genders, who had the more extreme age when winning the Oscar: Eddie Redmayne or Julianne Moore? Explain.

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Asked Jan 10, 2020
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Oscars In the 87th Academy Awards, Eddie Redmayne won for best actor at the age of 33 and Julianne Moore won for best actress at the age of 54. For all best actors, the mean age is 44.1 years and the standard deviation is 8.9 years. For all best actresses, the mean age is 36.2 years and the standard deviation is 11.5 years. (All ages are determined at the time of the awards ceremony.) Relative to their genders, who had the more extreme age when winning the Oscar: Eddie Redmayne or Julianne Moore? Explain.

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Expert Answer

Step 1

Solution: 

We are given:

The mean and standard deviation for all best actors is:

Mean = 44.1 years

Standard deviation = 8.9 years

The mean and standard deviation for the best actresses is:

Mean = 36.2 years

Standard deviation = 11.5 years

 

Step 2

Also, we are given that Eddie Redmayne won for best actor at the age of 33 and Julianne Moore won for best actress at the age of 54.

We have to find Relative to their genders, who had the more extreme age when winning the Oscar.

 

Step 3

We can find the z-score for the ages of Eddie Redmayne and Julianne Moore at which they won the...

Statistics homework question answer, step 3, image 1
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