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Author Question: Suppose you want to use a pairedttest to determine if the population means of before-and-after ... (Read 60 times)

heyheyhey

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on: Feb 26, 2023

Question 1

Suppose two samples of sizes 25 and 35, respectively, are independently drawn from two populations that are both normally distributed. Also assume the population variances are unknown but equal. What is the number of degrees of freedom that thettest statistic would have?

◦

34


◦

58


◦

59


◦

60



Question 2

Suppose you want to use a pairedt test to determine if the population means of before-and-after measurements are different, and you plan to use samples of size 45. What number of degrees of freedom should you use?

◦

90


◦

89


◦

45


◦

44

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Marked as best answer by heyheyhey on Feb 26, 2023

hvhf4k+549qz8f218jyo@shar

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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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heyheyhey

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Reply 2 on: Feb 26, 2023
Wow, this really help

jamesnevil303

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Reply 3 on: Yesterday
Gracias!

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