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The accompanying table gives amounts of arsenic in samples of brown rice from three different states. The amounts are in micrograms of arsenic and all
The accompanying table gives amounts of arsenic in samples of brown rice from three different states. The amounts are in micrograms of arsenic and all samples have the same serving size. The data are from the Food and Drug Administration. Use a 0.05 signicance level to test the claim that the three samples are from populations with the same mean. Do the amounts of arsenic appearto be different in the dilferent states? Given that the amounts of arsenic in the samples from Texas have the highest mean. can we conclude that brown rice from Texas poses the greatest health problem? g Click the icon to view the data. What are the hypotheses for this test? A. H0:|11.='|12 e113 H1: 111 = P2 =v3 {.3 B. H0411: u2 =u3 H1: 111 -='v2 #113 (3- H0411: l'z =l13 H 1: At least one ofthe means is di erent from the others if} D. H0: At least one of the means is di erent from the others H13|11=P2=|13 Determine the test statistic. The test statistic is . (Round to two decimal places as needed.) Determine the P-value. The Pvalue is . (Round to three decimal places as needed.) Do the amounts of arsenic appear to be different in the different states? There sufficient evidence at a 0.05 signicance level to warrant rejection of the claim that the three different states have |:| mean arsenic contentfs) in brown rice. Given that the amounts of arsenic in the samples from Texas have the highest mean. can we conclude that brown rice from Texas poses the greatest health problem? A. Because the amounts of arsenic in the samples from Texas have the highest mean. we can conclude that brown rice from Texas poses the greatest health problem. -:j'j:- B. Although the amounts of arsenic in the samples from Texas have the highest mean. there may be other states that have a higher mean. so we cannot conclude that brown rice from Texas poses the greatest health problem. -::":- C. The results from ANOVA allow us to conclude that Texas has the highest population mean. so we can conclude that brown rice from Texas poses the greatest health problem. -::":- D. The results from ANOVA do not allow us to conclude that any one specic population mean is different from the others. so we cannot conclude that brown rice from Texas poses the greatest health problem. Arsenic Amounts Arkansas 4.51 4.94 5.03 5.53 5.5? 5.8? California Texas aining: 01:16:31 m
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