Question

Asked Nov 4, 2019

81 views

Step 1

a)

From the given information, the claim of the problem is testing whether the mean salary for family practitioners in Los Angeles is greater than the national average or not. The national average is $178,258.

**Null Hypothesis:**

*H*_{0}: µ≤178,258.

That is, there is no sufficient evidence that the mean salary for family practitioners in Los Angeles is greater than the national average.

**Alternative Hypothesis:**

** **

*H*_{a}: µ>178,258.

** **

That is, there is a sufficient evidence that the mean salary for family practitioners in Los Angeles is greater than the national average.

Step 2

b)

The value of test statistic is **2.5506** and it is obtained below:

From the given information, the sampl...

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