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T-value used for MSA
I noticed that we can get the t-value from Excel. However, the t-value used in MSA for Bias Example is different from the Excel. Instead, it was tabulated based on Student T Distribution Table using proportionate method coz it's not an interger value.
If the degree of freedom is an integer, t-value obtained from Excel and Student T Distribution Table are the same. However if the df is in decimal, the t-value from Excel is different from table (proportionate method).
Which one is the correct t-value to use for Bias study???
Anyone willing to help me?
I noticed that we can get the t-value from Excel. However, the t-value used in MSA for Bias Example is different from the Excel. Instead, it was tabulated based on Student T Distribution Table using proportionate method coz it's not an interger value.
If the degree of freedom is an integer, t-value obtained from Excel and Student T Distribution Table are the same. However if the df is in decimal, the t-value from Excel is different from table (proportionate method).
Which one is the correct t-value to use for Bias study???
Anyone willing to help me?