Significance level to test the claim

Reference no: EM1389561

Parents collected a simple random sample of the times that 81 college students required to earn their bachelor's degrees. The sample has a mean of 4.8 years and a standard deviation of 2.2 years. Use a 0.05 significance level to test the claim that the mean time for all college students is greater than 4.5 years.

Q1: Alternative hypothesis?

Q2: Test Statistic?

Q3: Critical Value?

Q4: P-Value?

Q5: Conclusion?

Reference no: EM1389561

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