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5. A) Find the 90°o confidence interval for the mean of the normal distribution: 600, 667, 654, 663, 662 B) Eight samples of size 2 wvere taken from many screws. The screw lengths (inches) were: 2 4. 6. 7 Samples 3.50 3.51 3.49 3.52 3.53 3.49 3.48 3.52 Length 1" set nd set 3.51 3.48 3.50 3.50 3.49 3.50 3.47 3 49 Assuming the population is normal with mean 3.500 and variance 0.0004, set up the control chart (LCL and UCL) for the mean. Also set up the control charts (LCL and UCL) for the variance and standard deviation assuming a = 5%.

5. A) Find the 90°o confidence interval for the mean of the normal distribution: 600, 667, 654, 663, 662 B) Eight samples of size 2 wvere taken from many screws. The screw lengths (inches) were: 2 4. 6. 7 Samples 3.50 3.51 3.49 3.52 3.53 3.49 3.48 3.52 Length 1" set nd set 3.51 3.48 3.50 3.50 3.49 3.50 3.47 3 49 Assuming the population is normal with mean 3.500 and variance 0.0004, set up the control chart (LCL and UCL) for the mean. Also set up the control charts (LCL and UCL) for the variance and standard deviation assuming a = 5%.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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5. A) Find the 90°o confidence interval for the mean of the normal distribution: 000, 667, 654, 663, 662 B) Eight samples of size 2 were taken from many screws. The screw lengths (inches) were: 4 7 Samples 3.50 3.51 3.49 3.52 3.53 3.49 3.48 3.52 Length 1" set 2nd set 3.51 3.48 3.50 3.50 3.49 3.50 3.47 3 49 Assuming the population is normal with mean 3.500 and variance 0.0004, set up the control chart (LCL and UCL) for the mean. Also set up the control charts (LCL and UCL) for the variance and standard deviation assuming a = 5%.
Transcribed Image Text:5. A) Find the 90°o confidence interval for the mean of the normal distribution: 000, 667, 654, 663, 662 B) Eight samples of size 2 were taken from many screws. The screw lengths (inches) were: 4 7 Samples 3.50 3.51 3.49 3.52 3.53 3.49 3.48 3.52 Length 1" set 2nd set 3.51 3.48 3.50 3.50 3.49 3.50 3.47 3 49 Assuming the population is normal with mean 3.500 and variance 0.0004, set up the control chart (LCL and UCL) for the mean. Also set up the control charts (LCL and UCL) for the variance and standard deviation assuming a = 5%.
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