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Author Question: 307 diamonds were sampled and randomly sorted into three groups of diamonds. These diamonds were ... (Read 108 times)

Medesa

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307 diamonds were sampled and randomly sorted into three groups of diamonds. These diamonds were randomly assigned to one of the three organizations, or groups (HRD, GIA, or IGI), that certify the appraisal of diamonds. A study was conducted to determine if the average size of diamonds reported by these three certification groups differ. A completely randomized design was used and the Bonferroni multiple comparison results are shown below.

Bonferroni All-Pairwise Comparisons Test of CARAT by CERT

CERT Mean Bonferroni Groups

HRD 0.8129 A

GIA 0.6723 B

IGI 0.3665 C

Alpha 0.05

Give the population mean(s) which are in the statistically largest group.
◦ μHRD & μGIA
◦ μGIA
◦ μIGI
◦ μHRD


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Marked as best answer by Medesa on Feb 14, 2020

livaneabi

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Medesa

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Reply 2 on: Feb 14, 2020
Thanks for the timely response, appreciate it


dawsa925

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Reply 3 on: Yesterday
:D TYSM

 

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