Plant Sample size Sample mean Sample sd A 50 50.3 0.2 B 50 50.7 0.3 (b)...

Plant	Sample size	Sample mean	Sample sd
A	50	50.3	0.2
B	50	50.7	0.3

(b) (5 points) Calculate a 90% confidence interval for the difference between the mean diameter of the entire batch produced at plant B and the mean diameter of the entire batch produced at plant A. Write a sentence interpreting the confidence interval.

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Expert Solution

If our H0 is lies between given interval then we accept H0 at 10%l.o.s.otherwise we reject H0 Give thumb up. Thank you

orchestra answered 1 year ago

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