The table shows population statistics for the ages of Best Actor and Best Supporting Actor winners...
The table shows population statistics for the ages of Best Actor and Best Supporting Actor winners at an awards ceremony. The distributions of the ages are approximately bell-shaped. Compare the z-scores for the actors in the following situation. Best Actor Best Supporting Actor muequals41.0 muequals53.0 sigmaequals9.4 sigmaequals15 In a particular year, the Best Actor was 43 years old and the Best Supporting Actor was 38 years old.
Determine the z-scores for each.
|
Best Actor:Best Actor: |
zz |
equals= |
nothing |
|
|
Best Supporting Actor:Best Supporting Actor: |
zz |
equals= |
nothing |
Homework Answers
z-score = X - 
/ 
For best actor -
z = 43 - 41 / 9.4
= 0.21
For best supporting actor
z = 38 - 53 / 15
= -1
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