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Author Question: The descriptive statistics for the age differences (husband age wife age) from a sample of 100 ... (Read 12 times)

camac77

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on: Feb 26, 2023

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.

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
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Marked as best answer by camac77 on Feb 26, 2023

wangyichun

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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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camac77

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Reply 2 on: Feb 26, 2023
:D TYSM

ryhom

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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