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Author Question: The test statistic\(\style{font-family:Times New Roman;}{\frac{{\overline X}_1-{\overline ... (Read 55 times)

awgagawg

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on: Feb 26, 2023
The test statistic

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\(\style{font-family:Times New Roman;}{\frac{{\overline X}_1-{\overline X}_2-\Delta_0}{\sqrt{\frac{\sigma_1^2}{n_1}+\frac{\sigma_2^2}{n_2}}}}\)

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follows a standard normal distribution if:


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\(\style{font-family:Times New Roman;}{n_1\geq30}\)and the samples are dependent.


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\(\style{font-family:Times New Roman;}{n_2\geq30}\)and the samples are dependent.


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both\(\style{font-family:Times New Roman;}{n_1}\)and\(\style{font-family:Times New Roman;}{n_2\geq30}\)and the samples are dependent.


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both\(\style{font-family:Times New Roman;}{n_1}\)and\(\style{font-family:Times New Roman;}{n_2\geq30}\)and the samples are independent.

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Marked as best answer by awgagawg on Feb 26, 2023

miro2222

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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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awgagawg

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Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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