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Q1: Using the data ztest-a.csv from the lesson, test the null hypothesis at 10% significance in R. sample mean: $100,200 population sd: $15,000 standard error:

Q1: Using the data ztest-a.csv from the lesson, test the null hypothesis at 10% significance in R. sample mean: $100,200 population sd: $15,000 standard error: $2,739 sample size: 30 z-score: -4.67 ...

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