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Author Question: The descriptive statistics for the age differences (husband age wife age) from a sample of 100 ... (Read 20 times)

camac77

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Question 1

The curve shown here is a visual depiction of the distribution of random variableX. The shaded region is:


the frequency of 2 and 3.


P(2 ≤X≤ 3).


the proportion of readings in the distribution that exceed 2.


P(X≤ 3).



Question 2

The descriptive statistics for the age differences (husband age – wife age) from a sample of 100 married couples are shown here.



Based on these statistics, do the data appear to be normally distributed?


Yes, because the mean and the median are roughly the same.


Yes, because the value of IQR/sis roughly 1.3.


No, because the value of IQR/sis less than 1.3.


No, because the mean and the median are the same.



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Marked as best answer by camac77 on Feb 26, 2023

wangyichun

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camac77

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Reply 2 on: Feb 26, 2023
Gracias!


strudel15

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Reply 3 on: Yesterday
:D TYSM

 

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