Assuming that the population is normally​ distributed, construct a 95% confidence interval for the population​ mean, based on the following sample size of n=8.   ​1, 2,​ 3, 4, 5, 6, 7​, and 25     In the given​ data, replace the value 25 with 8 and recalculate the confidence interval. Using these​ results, describe the effect of an outlier​ (that is, an extreme​ value) on the confidence​ interval, in general.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Assuming that the population is normally​ distributed, construct a
95% confidence interval for the population​ mean, based on the following sample size of n=8.
 
​1, 2,​ 3, 4, 5, 6, 7​, and 25  
 
In the given​ data, replace the value 25 with 8 and recalculate the confidence interval. Using these​ results, describe the effect of an outlier​ (that is, an extreme​ value) on the confidence​ interval, in general.
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