A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3.
Compute the value of the test statistic. I put z= -2
What is the p-value? I put P-value= 0.0228
At , alpha= 0.05 what is your conclusion? I put 0.05>0.0228 so you reject hypothesis
What is the rejection rule using the critical value? What is your conclusion? I put 0.0228 < -1.645 so you reject the hypothesis.
Are my answers correct? If not why?

Respuesta :

Otras preguntas