Place all calculations for each of the questions on a separate worksheet. Then, using the results ofyour work from Excel, prepare PowerPoint slides to answer the questions in a presentation format.All relevant content should be on the slides; do not use the notes section or leave information inthe Excel file. The executives reviewing the presentation should not need to switch to anotherdocument to see the required information. The data you need is linked from the spreadsheet icon inthe course. Make sure to use that file.DirectionsFor your final, you will be analyzing the “Colonial Broadcasting” case. Begin by reading thedescription in the case. Then, answer the questions listed below, NOT the questions listed in thecase. Ignore everything in the case after the end of page 4.The executives at CBC want to see how they are doing in ratings against the other networks and howthe ratings will continue to change in the upcoming months. They also want to know if hiring starsmakes a difference and the impact of fact-based programming compared to hiring stars. You willcreate a PowerPoint presentation to answer the questions below. Remember that your audience isthe management of CBC. Therefore, make sure your presentation is professional and providessufficient explanation.1. Answer the following questions:a. What is the average rating for all CBC movies? How about ABN movies and BBSmovies?b. Include a table that shows the average and the other descriptive statistics (using thedata analysis toolpack in Excel) for the ratings of the three networks (one column foreach network). Explain what you learn from each of the metrics in the table.c. Comment on which network is doing best.2. Create a line graph of the monthly average ratings for CBC for the year. Note that there aremultiple ratings data for the months; you will need to calculate an average for each month first,and then plot the averages. After you create the graph, fit a linear trend line, displaying theformula and the r-squared. Explain to the executives if you can use this time series data toforecast the ratings of upcoming months. How accurate can you expect this forecast to be?3. Should the CBC hire stars for their movies? To answer this question, run a hypothesis test tosee if there is a significant difference between the ratings of movies with stars versus movieswithout stars. Use the data for CBC movies only. Use 95% confidence. Answer the following:a. What are the null and alternative hypotheses (state in full sentences)?Unit 6 [GB513: Business Analytics]b. Run the test using Excel and include the output table. Use a t-test assuming equalvariances.c. What is your recommendation to the executives? Justify your answer referring to therelevant figures.4. Run a multiple regression where the dependent variable is ratings and the independentvariables are star and fact. Use data from CBC only. CBC Management has several questions:a. Which has more impact on a movie’s rating: Being fact-based or having one star? Howmuch does each of these factors change the ratings?b. How well does this regression analysis explain the ratings? Justify your answersreferring to the relevant figures.c. Are either, both, or neither of the independent variables significantly related to theratings at 95% confidence? Justify your answers referring to the relevant figures

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