The average production of peanuts in Virginia is 3,000 pounds per acre. A new plant food has been developed and is tested on 60 individual plots of land. The mean yeild with the new plant food is...

The average production of peanuts in Virginia is 3,000 pounds per acre. A new plant food has been developed and is tested on 60 individual plots of land. The mean yeild with the new plant food is 3,120 pounds of peanuts per acre, and the population standard deviation is 578 pounds. Set alpha = 0.05. Can you conclude the average production has increased?

1. State the null hypothesis

2. State the alternative hypothesis

3. Is this a one-tailed test or a tow-tailed test?

4. Find the critical value(s)

5. Compute the test statistic

6. Make the decision (Reject or fail to reject)

7. State the conclusion