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Author Question: The volumes (in ounces) of juice in eight randomly selected juice bottles are as follows: 15.7 15.0 ... (Read 85 times)

asmith134

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on: Feb 14, 2020

Question 1

A random sample of 15 crates  have a mean weight of 165.2 pounds and a standard deviation of 14.9 pounds.  Construct a 95% confidence interval for the population standard deviation σ. Assume the population is normally distributed, and round to the nearest hundredth when necessary.
◦ (2.83, 6.09)
◦ (119, 552.19)
◦ (10.91, 23.5)
◦ (11.46, 21.75)

Question 2

The volumes (in ounces) of juice in eight randomly selected juice bottles are as follows:
   15.7   15.0   15.1   15.8
   15.4   15.2   15.5   15.6
Find a 99% confidence interval for the standard deviation, σ, of the volumes of juice in all such bottles. Round to the nearest hundredth when necessary.
◦ (0.16, 0.66)
◦ (0.19, 0.88)
◦ (0.17, 0.66)
◦ (0.17, 0.77)
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by asmith134 on Feb 14, 2020

bassamabas

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Reply #1 on: Feb 14, 2020
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asmith134

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Reply 2 on: Feb 14, 2020
Great answer, keep it coming :)

ryhom

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Reply 3 on: Yesterday
Gracias!

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