T -test - t-table - Deepstash
T -test - t-table

T -test - t-table

Population standard deviation is not  given & n >≠ 30.

Point Estimate +- Margin of error 

x̄ +- z  α/2 (σ/ √ n )

t = degree of freedom= n-1

Upper Bound -   x̄ + t  α/2 (s/ √ n ) = t table(Answer)

Lower Bound -   x̄  -  t  α/2 (s / √ n )=t table(Answer)

 (s / √ n ) is Standard error

   

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Parameter estimation is the process of computing a model’s parameter values from measured data. You can apply parameter estimation to different types of mathematical models, including statistical models, parametric dynamic models, and data-based Simulink® models

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