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1. Dr. Edgar Anderson was a botanist who collected vast amounts of data for several species of wild iri- For a sample of 50 Iris: a. The sample mean petal length was 5.55cm with a standard deviation of .57 cm. Compute an 85% confidence interval for the population mean petal length. C= Zc = _,E = _, interval: to b. The sample mean petal width was 2.03cm with a standard deviation of .27 cm. Compute a 90% confidence interval for the population mean petal width. ,Zc = .E = ,interval: to

1. Dr. Edgar Anderson was a botanist who collected vast amounts of data for several species of wild iri- For a sample of 50 Iris: a. The sample mean petal length was 5.55cm with a standard deviation of .57 cm. Compute an 85% confidence interval for the population mean petal length. C= Zc = _,E = _, interval: to b. The sample mean petal width was 2.03cm with a standard deviation of .27 cm. Compute a 90% confidence interval for the population mean petal width. ,Zc = .E = ,interval: to

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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7.1: #1- 2 E= z (a//n) 1. Dr. Edgar Anderson was a botanist who collected vast amounts of data for several species of wild iris. For a sample of 50 Iris: a. The sample mean petal length was 5.55cm with a standard deviation of .57 cm. Compute an 85% confidence interval for the population mean petal length. Zc = E = interval: to b. The sample mean petal width was 2.03cm with a standard deviation of .27 cm. Compute a 90% confidence interval for the population mean petal width. C = Zc = E = , interval: to 2. A random sample of 83 reconstructed clay vessels from the Turquoise Ridge archaeological site indicated the standard deviation of diameters to be approximately 5.5cm. How many (total) and how many more clay vessels must be found and reconstructed to be 95% sure that the sample mean of diameters is within 1cm of the population mean of all such reconstructed clay vessels? n3= total, n = more com/u/0/h 8.
Transcribed Image Text:7.1: #1- 2 E= z (a//n) 1. Dr. Edgar Anderson was a botanist who collected vast amounts of data for several species of wild iris. For a sample of 50 Iris: a. The sample mean petal length was 5.55cm with a standard deviation of .57 cm. Compute an 85% confidence interval for the population mean petal length. Zc = E = interval: to b. The sample mean petal width was 2.03cm with a standard deviation of .27 cm. Compute a 90% confidence interval for the population mean petal width. C = Zc = E = , interval: to 2. A random sample of 83 reconstructed clay vessels from the Turquoise Ridge archaeological site indicated the standard deviation of diameters to be approximately 5.5cm. How many (total) and how many more clay vessels must be found and reconstructed to be 95% sure that the sample mean of diameters is within 1cm of the population mean of all such reconstructed clay vessels? n3= total, n = more com/u/0/h 8.
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