Investigation 3: Average List Price We will continue our investigation of the RealEstateSample data set to answer the following questions. Currently, it is known that the average List Price a property in Mount Pleasant, South Carolina is $701,375. A realtor would like to know if the average list price was significantly less than this value since the data we have was collected in 2017. a) Define the parameter of interest in context using symbol(s) and words in one complete sentence. b) State the null and alternative hypotheses using correct notation