You work for a soft-drink company in the quality control division. You are interested in the standard deviation of one of your production lines as a measure of consistency. The product is intended to have a mean of 12 ounces, and your team would like the standard deviation to be as low as possible. You gather a random sample of 15 containers. Estimate the population standard deviation at a 90% level of confidence. Use 3 decimal places for all answers. 12.1111.9911.8812.0412.111212.1612.1812.1612.0112.1212.0212.0512.0412.27 (Data checksum: 181.14)a) Find the sample standard deviation: b) Find the lower and upper �2 critical values at 90% confidence:Lower: Upper: c) Report your confidence interval for �: ( , ) You work for a soft-drink company in the quality control division. You are interested in thestandard deviation of one of your production lines as a measure of consistency. The product isintended to have a mean of 12 ounces, and your team would like the standard deviation to beas low as possible. You gather a random sample of 15 containers. Estimate the populationstandard deviation at a 90% level of confidence. Use 3 decimal places for all answers.12.111212.1211.99 11.88 12.04 12.1112.16 12.18 12.16 12.0112.02 12.05 12.04 12.27(Data checksum: 181.14)a) Find the sample standard deviation:b) Find the lower and upper x² critical values at 90% confidence:Lower:Upper:c) Report your confidence interval for σ: (

The provided information is as follows:The sample size is .The summation of all the observations…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You work for a soft-drink company in the quality control division. You are interested in the standard deviation of one of your production lines as a measure of consistency. The product is intended to have a mean of 12 ounces, and your team would like the standard deviation to be as low as possible. You gather a random sample of 15 containers. Estimate the population standard deviation at a 90% level of confidence. Use 3 decimal places for all answers.