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Author Question: A sample of 144 cans of coffee showed an average weight of 32 ounces. The standard deviation of the ... (Read 101 times)

Pineappleeh

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on: Jun 24, 2018
A sample of 144 cans of coffee showed an average weight of 32 ounces. The standard deviation of the population is known to be 1.4 ounces.
 a. Construct a 68.26 confidence interval for the mean of the population.
  b. Construct a 97 confidence interval for the mean of the population.
  c. Discuss why the answers in Parts a and b are different.

Question 2

The three quality processes on which Juran's approach to quality focused include all of the following except
 a. quality planning.
 b. quality management.
  c. quality control.
 d. quality improvement.


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asware1

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 31.88 to 32.12 ounces
b. 31.75 to 32.25 ounces
c. As the level of confidence increases, the confidence interval becomes wider.

Answer to Question 2

b


Pineappleeh

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Reply 2 on: Jun 24, 2018
Wow, this really help

Dinolord

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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