To test the hypothesis about the mean of a normal population with a unknown standardard deviation but large sample size, we can compare: Answer Answer Option   Either option-1 or option 4   The observed value of sample mean( x-bar) with the critical value of sample mean.   The observed value of z with the critical value of x-bar   The observed value of z with the critical value of z.   The observed value of sample mean with the critical value of z

MATLAB: An Introduction with Applications
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  To test the hypothesis about the mean of a normal population with a unknown standardard deviation but large sample size, we can compare:

Answer Answer Option
 

Either option-1 or option 4

 

The observed value of sample mean( x-bar) with the critical value of sample mean.

 

The observed value of z with the critical value of x-bar

 

The observed value of z with the critical value of z.

 

The observed value of sample mean with the critical value of z

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