A random sample of 14 items is drawn from a population whose standard deviation is unknown. The sample mean is = 780 and the sample standard deviation is s=5. Use Appendix D to find the values of Student's t. (a) Construct an interval estimate of with 98% confidence. (Round your answers to 3 decimal places.) The 98% confidence interval is from (b) Construct an interval estimate of μ with 98% confidence, assuming that s = 10. (Round your answers to 3 decimal places.) The 98% confidence interval is from to The 98% confidence interval is from (c) Construct an interval estimate of μ with 98% confidence, assuming that s= 20. (Round your answers to 3 decimal places.) to to
A random sample of 14 items is drawn from a population whose standard deviation is unknown. The sample mean is = 780 and the sample standard deviation is s=5. Use Appendix D to find the values of Student's t. (a) Construct an interval estimate of with 98% confidence. (Round your answers to 3 decimal places.) The 98% confidence interval is from (b) Construct an interval estimate of μ with 98% confidence, assuming that s = 10. (Round your answers to 3 decimal places.) The 98% confidence interval is from to The 98% confidence interval is from (c) Construct an interval estimate of μ with 98% confidence, assuming that s= 20. (Round your answers to 3 decimal places.) to to
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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![A random sample of 14 items is drawn from a population whose standard deviation is unknown. The sample mean is = 780 and the
sample standard deviation is s=5. Use Appendix D to find the values of Student's t.
(a) Construct an interval estimate of with 98% confidence. (Round your answers to 3 decimal places.)
The 98% confidence interval is from
(b) Construct an interval estimate of μ with 98% confidence, assuming that s = 10. (Round your answers to 3 decimal places.)
The 98% confidence interval is from
to
The 98% confidence interval is from
(c) Construct an interval estimate of μ with 98% confidence, assuming that s= 20. (Round your answers to 3 decimal places.)
to
to](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F040e0064-a59e-4914-8975-0ff37815ca88%2Fd440230d-10f2-4a0f-a7a5-e1b94752cd78%2F7e9lm7p_processed.png&w=3840&q=75)
Transcribed Image Text:A random sample of 14 items is drawn from a population whose standard deviation is unknown. The sample mean is = 780 and the
sample standard deviation is s=5. Use Appendix D to find the values of Student's t.
(a) Construct an interval estimate of with 98% confidence. (Round your answers to 3 decimal places.)
The 98% confidence interval is from
(b) Construct an interval estimate of μ with 98% confidence, assuming that s = 10. (Round your answers to 3 decimal places.)
The 98% confidence interval is from
to
The 98% confidence interval is from
(c) Construct an interval estimate of μ with 98% confidence, assuming that s= 20. (Round your answers to 3 decimal places.)
to
to
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