Q: 13
= 0.05
The average weight of castings produced at the Nebraska foundry is 3.7 lbs. A new supplier from
Kansas has submitted a batch of castings known to have normally distributed weights. A random
sample of 10 has an average weight of 3.6 lbs. and standard deviation 0.06 lbs. Do these data
indicate that the Kansas foundry produce lighter castings on average?
Options
Discussion
No comments yet. Be the first to comment.
Be respectful. No spam.
