Current Attempt in Progress Your answer is incorrect. A researcher wants to test if the mean price of houses in an area is greater than $145,000. A random sample of 35 houses selected from the area produces a mean price of $149,700. Assume that o = $13,100, and that the test is to be made at the 1% significance level What is the value of the test statistic, z, rounded to three decimal places? eTextbook and Media Save for Later Attempts: 4 of 6 used Submit