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1.The number of signals received in a server in different days are, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7,7, 12, 9, 11, 3, 7, 8, 5, 6, 7, 6, 9, 11, 4. Select 4 days by systematic sampling. a) Estimate total number of signals received per day along with its estimated standard error. b) Estimate the proportion of days in which less than 8 signals are received. 2. The following are the number of faded out signals sent from a station in different days: X: 4, 3, 0, 2, 6, 7, 4, 3, 2, o, 1, 0, 3, 0, 6, 8, 0, 1, 4 ,3, 2, 6, 3, 7, 5, 8, 0, 2, 3, 5. Select a random sample of 5 days by simple random sampling method and estimate total number of faded out signals along with its estimated standard error 3.Suggest a sample size n to estimate a proportion 0.45 of the number of days in which more than 10 signals are faded, with margin of error 0.1 at 95% confidence. 4.The number of mails received in a server at Bashundhara residential area in different days are: X: 10, 7, 6, 9, 11, 4, 2, 7, 7, 9, 11, 45, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7. Select 4 days by simple random sampling. Estimate mean number of emails received per day along with its estimated standard error. 5.Suggest a sample size n to estimate a proportion 0.3 of the number of days in which more than 10 signals are faded, with margin of error 0.05 at 95% confidence. 6.The number of noisy bits produced by an electronic device in different attempts is given as, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7, 12, 9, 11, 3, 7, 8, 5, 6. Select a random sample of 5 attempts by circular systematic sampling and find 95% confidence interval for the average of noisy bits.

1.The number of signals received in a server in different days are, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7,7, 12, 9, 11, 3, 7, 8, 5, 6, 7, 6, 9, 11, 4. Select 4 days by systematic sampling. a) Estimate total number of signals received per day along with its estimated standard error. b) Estimate the proportion of days in which less than 8 signals are received. 2. The following are the number of faded out signals sent from a station in different days: X: 4, 3, 0, 2, 6, 7, 4, 3, 2, o, 1, 0, 3, 0, 6, 8, 0, 1, 4 ,3, 2, 6, 3, 7, 5, 8, 0, 2, 3, 5. Select a random sample of 5 days by simple random sampling method and estimate total number of faded out signals along with its estimated standard error 3.Suggest a sample size n to estimate a proportion 0.45 of the number of days in which more than 10 signals are faded, with margin of error 0.1 at 95% confidence. 4.The number of mails received in a server at Bashundhara residential area in different days are: X: 10, 7, 6, 9, 11, 4, 2, 7, 7, 9, 11, 45, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7. Select 4 days by simple random sampling. Estimate mean number of emails received per day along with its estimated standard error. 5.Suggest a sample size n to estimate a proportion 0.3 of the number of days in which more than 10 signals are faded, with margin of error 0.05 at 95% confidence. 6.The number of noisy bits produced by an electronic device in different attempts is given as, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7, 12, 9, 11, 3, 7, 8, 5, 6. Select a random sample of 5 attempts by circular systematic sampling and find 95% confidence interval for the average of noisy bits.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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1.The number of signals received in a server in different days are, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7,7, 12, 9, 11, 3, 7, 8, 5, 6, 7, 6, 9, 11, 4. Select 4 days by systematic sampling. a) Estimate total number of signals received per day along with its estimated standard error. b) Estimate the proportion of days in which less than 8 signals are received. 2. The following are the number of faded out signals sent from a station in different days: X: 4, 3,0, 2, 6, 7, 4, 3, 2, 0, 1, 0, 3, 0, 6, 8, 0, 1, 4 ,3, 2, 6, 3, 7, 5, 8, 0, 2, 3, 5. Select a random sample of 5 days by simple random sampling method and estimate total number of faded out signals along with its estimated standard error 3.Suggest a sample size n to estimate a proportion 0.45 of the number of days in which more than 10 signals are faded, with margin of error 0.1 at 95% confidence. 4.The number of mails received in a server at Bashundhara residential area in different days are: X: 10, 7, 6, 9, 11, 4, 2, 7, 7, 9, 11, 45, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7. Select 4 days by simple random sampling. Estimate mean number of emails received per day along with its estimated standard error. 5.Suggest a sample size n to estimate a proportion 0.3 of the number of days in which more than 10 signals are faded, with margin of error 0.05 at 95% confidence. 6.The number of noisy bits produced by an electronic device in different attempts is given as, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7, 12, 9, 11, 3, 7, 8, 5, 6. Select a random sample of 5 attempts by circular systematic sampling and find 95% confidence interval for the average of noisy bits.
Transcribed Image Text:1.The number of signals received in a server in different days are, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7,7, 12, 9, 11, 3, 7, 8, 5, 6, 7, 6, 9, 11, 4. Select 4 days by systematic sampling. a) Estimate total number of signals received per day along with its estimated standard error. b) Estimate the proportion of days in which less than 8 signals are received. 2. The following are the number of faded out signals sent from a station in different days: X: 4, 3,0, 2, 6, 7, 4, 3, 2, 0, 1, 0, 3, 0, 6, 8, 0, 1, 4 ,3, 2, 6, 3, 7, 5, 8, 0, 2, 3, 5. Select a random sample of 5 days by simple random sampling method and estimate total number of faded out signals along with its estimated standard error 3.Suggest a sample size n to estimate a proportion 0.45 of the number of days in which more than 10 signals are faded, with margin of error 0.1 at 95% confidence. 4.The number of mails received in a server at Bashundhara residential area in different days are: X: 10, 7, 6, 9, 11, 4, 2, 7, 7, 9, 11, 45, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7. Select 4 days by simple random sampling. Estimate mean number of emails received per day along with its estimated standard error. 5.Suggest a sample size n to estimate a proportion 0.3 of the number of days in which more than 10 signals are faded, with margin of error 0.05 at 95% confidence. 6.The number of noisy bits produced by an electronic device in different attempts is given as, X: 5, 8, 7, 10, 7, 6, 9, 11, 4, 2, 7, 7, 12, 9, 11, 3, 7, 8, 5, 6. Select a random sample of 5 attempts by circular systematic sampling and find 95% confidence interval for the average of noisy bits.
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