What is the purpose of this investigation What is the parameter of interest mmarize the dara using graphical methods . ( You must use statistical software to generate each of the following graphs . ) Stem and leaf diagram Histogram Use class limits on the horizontal axis Set the first lower class limit at GO TOTHE Use a class width of 10 mim HE Lise class frequencies on the vertical axis how class frequency on top of bars . Box and whiskers blat specify the shape of the distribution investigate the data for outliers . Calculate inner farce value Calculate outer fence values Do the data contain outliers ? Explain . It necessary LIPS ate the data set by removing all definite ourliars and redo part n More that your updated data set will be used for the remainder of this investigation . summarize the data using numerica descriptive statistics . The table must be generated by the statistical software package and include the following statistics The number of observations in data s MEAN Median Made Max I'M DUEITIES Interquartile range Standard deviation VERance Range Interpret the numerical value of the sample mean . Use the context of the data Interpret the numerical value of the sample median within context Interpret the value of the sample mode within context