State the standardized test statistic. 

There is insufficient evidence at the 1% level of significance to support the medical director’s claim that the mean years of experience of HMO doctors is greater than 13.5.

Calculate the regression equation for the data: y^={“version”:”1.1″,”math”:”\hat{y}=”}

Calculate the regression equation for the data: y^={“version”:”1.1″,”math”:”\hat{y}=”}

State the standardized test statistic. Justify by typing the input to your calculator.

State the standardized test statistic. 

Construct a 90% confidence interval for the  population mean, μ{“version”:”1.1″,”math”:”\mu “}

There is insufficient evidence at the 10% level of significance to reject the district’s claim that the mean hourly sales are at least $750.

The correct decision for this test is to 

State the p-value or sketch the sampling distribution and the rejection region given by the critical value.