The Accompanying Table Shows Results From A Study In Which Some Dental Patients Were Treated With Amalgam Restorations A 1 (45.65 KiB) Viewed 70 times
The accompanying table shows results from a study in which some dental patients were treated with amalgam restorations and others were treated with composite restorations that do not contain mercury. Use a 0.05 significance level to test for independence between the type of restoration and the presence of any adverse health conditions. Do amalgam restorations appear to affect health conditions? : Click the icon to view the data on dental restorations Dental restorations Amalgam Composite 136 143 Adverse Health Condition Reported No Adverse Health Condition Reported 134 117 Print Done
Determine the test statistic. x2=(Round to three decimal places as needed.) Determine the P-value of the test statistic. P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is V the significance level, the null hypothesis. There sufficient evidence to warrant rejection of the claim that the type of restoration and the presence of any adverse health conditions are independent. The results suggest that amalgam restorations v to affect health conditions.
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