lgilleland8434 lgilleland8434

15-01-2018
Mathematics

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The average age of senators in the 108th congress was 57 years. if the standard deviation is 15 z score corresponding to the oldest senator is

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shinmin shinmin

28-01-2018

The solution for this problem would be:
Since you didn't give the oldest age of the senator, let us assume it is 86 years old.
Now, the z score can be calculated by: z = X - mean / standard deviation.
Plugging in our values:
= 86 - 57 / 15= 29 / 15= 1.93333333 is the z score

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