Consider a simple random sample of monthly return of Bed Bath and Beyond Corporation, data is in Stat4219-01Test303.csv. Use a 0.01 significance level to test the claim that this sample is from a population with mean retum equal to 3% 1. State the null and alternative hypothesis H₁:µ = 0.30 H:μ0.30 2. Find the test statistic 0.0403 3. Find the critical value 2.5758 4. Find the confidence interval (-1.9555,2.6272) 5. Find the P-value 0.9679 6. Can you claim that the monthly return of Bed Bath and Beyond Corporation is 396?

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