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Determine the test of significance(t-test or z-test) and verify the conditions of your test.

State the claim mathematically. Determine if the claim the null or the alternative hypothesis.

State the claim mathematically. Determine if the claim the null or the alternative hypothesis.

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 “}