Question

In: Math

You are constructing a 90% confidence interval for one population mean. A sample if size 20...

You are constructing a 90% confidence interval for one population mean. A sample if size 20 is taken from the population of interest. The mean from the sample is 5 and the standard deviation is 1.5.

What is the t-score to be used in calculating Margin of Error? (do not round)

Solutions

Expert Solution

At 90% confidence interval the critical value is t* = 1.729

                                  

                           

                                                     

                        

                                                                


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