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Author Question: If the underlying populations are normally distributed and both population variances are equal, the ... (Read 36 times)

ddddddddddeeee4444

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on: Feb 26, 2023

Question 1

If the process of selecting individuals or objects in sample 1 has no effect on, or no relation to, the selection of individuals or objects in sample 2, the samples are:

◦

independent.


◦

dependent.


◦

discrete.


◦

paired.



Question 2

If the underlying populations are normally distributed and both population variances are equal, the test statistic

​

\(\style{font-family:Times New Roman;}{\frac{{\overline X}_1-{\overline X}_2-\Delta_0}{S_p^2\sqrt{\frac1{n_1}+\frac1{n_2}}}}\)

​

follows a:


◦

standard normal distribution if both samples are large.


◦

Student’stdistribution with\(\style{font-family:Times New Roman;}{n-1}\)degrees of freedom.


◦

standard normal distribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.


◦

Student’stdistribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.

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Marked as best answer by ddddddddddeeee4444 on Feb 26, 2023

breounasmoot

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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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ddddddddddeeee4444

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Reply 2 on: Feb 26, 2023
Gracias!

Perkypinki

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Reply 3 on: Yesterday
:D TYSM

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