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 t 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. Determine the null and alternative hypotheses. OA. Ho: Amalgam restorations do not affect health conditions. H₁: Amalgam restorations adversely affect health conditions. OB. Ho: Amalgam restorations adversely affect health conditions. H₁: Amalgam restorations do not affect health conditions. OC. Ho: The presence of any adverse health conditions is independent of the type of restoration. H₁: The presence of any adverse health conditions is not independent of the type of restoration. OD. Ho: The presence of any adverse health conditions is not independent of the type of restoration. H₁: The presence of any adverse health conditions is independent of the type of restoration. 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 suggest that amalgam restorations the significance level, to affect health conditions. the null hypothesis. There Dental Restorations ► Adverse Health Condition Reported No Adverse Health Condition Reported Print Amalgam Composite 133 149 131 128 Done - X sufficient evidence to warrant rejection of the claim that the type of restoration and the presence of any adverse health conditions are independent. The re

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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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.
Determine the null and alternative hypotheses.
OA. Ho: Amalgam restorations do not affect health conditions.
H₁: Amalgam restorations adversely affect health conditions.
OB. Ho: Amalgam restorations adversely affect health conditions.
H₁: Amalgam restorations do not affect health conditions.
OC. Ho: The presence of any adverse health conditions is independent of the type of restoration.
H₁: The presence of any adverse health conditions is not independent of the type of restoration.
O D. Ho: The presence of any adverse health conditions is not independent of the type of restoration.
H₁: The presence of any adverse health conditions is independent of the type of restoration.
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
suggest that amalgam restorations
the significance level,
to affect health conditions.
the null hypothesis. There
Dental Restorations
Adverse Health Condition Reported
No Adverse Health Condition
Reported
Print
Amalgam Composite
133
149
131
128
Done
- X
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
Transcribed Image Text: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. Determine the null and alternative hypotheses. OA. Ho: Amalgam restorations do not affect health conditions. H₁: Amalgam restorations adversely affect health conditions. OB. Ho: Amalgam restorations adversely affect health conditions. H₁: Amalgam restorations do not affect health conditions. OC. Ho: The presence of any adverse health conditions is independent of the type of restoration. H₁: The presence of any adverse health conditions is not independent of the type of restoration. O D. Ho: The presence of any adverse health conditions is not independent of the type of restoration. H₁: The presence of any adverse health conditions is independent of the type of restoration. 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 suggest that amalgam restorations the significance level, to affect health conditions. the null hypothesis. There Dental Restorations Adverse Health Condition Reported No Adverse Health Condition Reported Print Amalgam Composite 133 149 131 128 Done - X 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
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