Yahoo Inc Statistics Project Example | Topics and Well Written Essays - 2500 words

chawbacon Inc - Statistics Project theoretical accountIt is important to observe trends in the time series data in order to assess which instance to apply when undertaking a betoken of data. In this regard, graphical presentations be usually recommended. Thus in this study, graphs are used to show the trends in the data gathered as has been recommended by other scholars for discover time series data (Anderson, et al., 2010). One of the objectives of this paper was to assess the measures of central tendency and measures of dispersion (spread). In this study, we use mean scores and median values to assess central tendency and standard deviation, tokenish and maximum values to assess spread in the time series data. Therefore, this has been done for sales, costs, and profits of Yahoo Inc. for the period under review. These results are presented in table formats in Part II of this paper. There are many methods that can be used to forecast time series data such as the one in this s tudy (Table 1). In our assessment of the task at hand and the limitation of resources, we conducted the forecast using regression analysis technique which we found to be appropriate for this study. There are a number of statistical software program available for conducting forecasts of time series data (Evans, 2003). These include but are not limited to Excel, SPSS, Stata, Eviews, R, and Minitab. Again, due to resource limitations and our assessment of the task at hand, we use the Excel software to conduct the forecasting exercise in the present study.