Suppose that for a sample of 65 observations from a population of ...

[jparksx]

Suppose that for a sample of 65 observations from a population of 500, the sample mean is 25.6 and the sample standard deviation is 2.8. Create a 90 confidence interval for the population mean.
 
  A) 25.6  0.318
  B) 25.6  0.415
  C) 25.6  0.467
  D) 25.6  0.533

Question 2

The value of the variation explained by the regression line can never be smaller than 0.0.
 
  Indicate whether the statement is true or false

[kescobar@64]

Answer to Question 1

D

Answer to Question 2

TRUE

[jparksx]

Thanks for the timely response, appreciate it

[raenoj]

Excellent