How large a sample of federal employees in Nevada should be taken ...

[bclement10]

How large a sample of federal employees in Nevada should be taken if we want to estimate with 98 confidence the mean salary to within 2,000 . The population standard deviation is assumed to be 10,500.

Question 2

If the value of the Durbin-Watson test statistic, d, satisfies the inequalities d < dL or d > 4 - dL, where dL and dU are the critical values of d, we conclude that autocorrelation exists.
  Indicate whether the statement is true or false

[Jody Vaughn]

Answer to Question 1

n = 150

Answer to Question 2

T

[bclement10]

Thank you

[Jody Vaughn]

Happy to help you