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(n < 30) from a normal population with unknown pop- ulation standard deviation;  c. a small sample (n < 30) from a nonnormal population with known  population standard deviation;

(n < 30) from a normal population with unknown pop- ulation standard deviation;  c. a small sample (n < 30) from a nonnormal population with known  population standard deviation;

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
Problem 1P
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a. a small sample (n < 30) from a normal population with known population standard deviation; 

b. a small sample (n < 30) from a normal population with unknown pop- ulation standard deviation; 

c. a small sample (n < 30) from a nonnormal population with known 

population standard deviation; 

d.  a small sample (n < 30) from a nonnormal population with unknown population standard deviation;

e.  a large sample (n  30) from a normal population with known population standard deviation;

 

1. Suppose that you are going to construct an interval estimate of population based on a sample mean. It is well known that the key is to determine the mean appropriate estimate statistic from the standardized value
Transcribed Image Text:1. Suppose that you are going to construct an interval estimate of population based on a sample mean. It is well known that the key is to determine the mean appropriate estimate statistic from the standardized value
I - E (7) Vvar (7) of sample mean ī. If the population standard deviation o is unknown, we have to replace it by the sample standard deviation s. Thus, the standardized value of sample mean ī has the following form if o is known A if o is unknown For each of the following cases, determine the appropriate estimate statistic and its dis- tribution:
Transcribed Image Text:I - E (7) Vvar (7) of sample mean ī. If the population standard deviation o is unknown, we have to replace it by the sample standard deviation s. Thus, the standardized value of sample mean ī has the following form if o is known A if o is unknown For each of the following cases, determine the appropriate estimate statistic and its dis- tribution:
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