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l. A company manager says that the average balance on their credit cards is $500. Do you think that this assertion is justified? Use a

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l. A company manager says that the average balance on their credit cards is $500. Do you think that this assertion is justified? Use a one-sample t-test to draw your conclusion Null Hypothesis : equal to Alternate Hypothesis : Analysis Tool : One-sample-t test Result of one-sample-t test: Conclusion

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