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ABC Company assembles electrical components

ABC Company assembles electrical components. Over a period of 10 days, employee John has averaged 9 rejects with a standard deviation of 2 rejects. Employee Jane averages 8.5 rejects with a standard deviation of 1.5 rejects over the same period. At the .05 significant level, can we conclude that there is less variation in the number of rejects per day attributed to Jane?

Please provide:
Ho:
H1:

The formula to use
The calculations
The chart (Bell Curve) that shows the critical value
The Decision
The Conclusion

Solution Summary

ABC Company assembles electrical components. Over a period of 10 days, employee John has averaged 9 rejects with a standard deviation of 2 rejects. Employee Jane averages 8.5 rejects with a standard deviation of 1.5 rejects over the same period. At the .05 significant level, can we conclude that there is less variation in the number of rejects per day attributed to Jane?

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