This is the question set along with answers Data Analysis and Modeling Fall 2015, which was taken by the Pokhara University.<\/p>\n
Pokhara University \u2013 Data Analysis and Modeling Fall 2015<\/strong><\/p>\n Attempt all the questions.<\/p>\n If you liked\u00a0Data Analysis and Modeling || Fall, 2015\u00a0then you May Also Like\u00a0Financial Accounting I || Fall, 2015 || Pokhara University || BBA\/BCIS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n\n
\n Level:\u00a0 Bachelor<\/td>\n Semester \u2013Fall<\/td>\n \u00a0Year: 2015<\/td>\n<\/tr>\n \n Program:BBA\/BBA-BI\/BCIS\/BBA-TT<\/td>\n \u00a0Full Marks: 100<\/td>\n<\/tr>\n \n Course: Data Analysis and Modeling<\/td>\n \u00a0 Pass Marks: 45<\/td>\n<\/tr>\n \n \u00a0\u00a0\u00a0\u00a0 Time:\u00a0 3hrs.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n
\n![\"\"](\"https:\/\/www.onlinenotesnepal.com\/wp-content\/uploads\/2021\/04\/GG-12.png\")
\na)\u00a0 \u00a0Find the correlation coefficient between annual profit and money spent on research and development.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 What type of relationship is existing between these two variables? Comment on your result.
\nb)\u00a0 \u00a0Develop the estimation equation that best fits the data. Predict annual profit when the amount spent on research and development is 10 million. Does this model is appropriate for the prediction of annual profit when three is 25 million spent on research and development? Explain.
\nc)\u00a0 \u00a0 Calculate the sample coefficient determinate. Does the regression equation development in part (b) is appropriate for predictive purposes or the student should search elsewhere for additional explanatory variables? Explain.<\/li>\n
\n![\"\"](\"https:\/\/www.onlinenotesnepal.com\/wp-content\/uploads\/2021\/04\/GG-13.png\")
\nRequired:
\n<\/strong>a) Determinate the regression equation. How much grade will be obtained by a student who is 22 years now reads 5 different books related to a subject 4 hours a day and has an IQ score7?
\nb) Which of the given independent variables are batter explanatory variables to measure the grade point? State explicit hypotheses test them at 0.10 level of signification and state an explicit conclusion.
\nc) What proportion of variation in grade point is explained by four independent variables? What conclusion does this result reflect about the appropriateness of the model?
\nd) Final standard error of overall regression model and interpret its meaning.
\ne) Test at 0.01 level of significance, the overall fit of the model. Is your fitted regression model is significant as a whole? Use the p-value approach in making your decisions.<\/li>\n
\n![\"\"](\"https:\/\/www.onlinenotesnepal.com\/wp-content\/uploads\/2021\/04\/GG-14.png\")
\nThe equation describing the secular trend for application sales is
\nY=52.4+9.2X Where 1993 = 0 and x unit = 1 year
\na) Calculate the percent of the trend for these data.
\nb) Calculate the relative cyclical residual for these data.
\nc) In which year does the largest fluctuation from trend occur and is it the same for both methods?
\nd) Forecast the sales units for the year 1999and measure their accuracy by MSE.<\/li>\n
\nb) Write the dual of the following problem.
\nMaximize z=5×1+4×2-2×3
\nsubject to the constraints:
\n2×1 -3×2 +8×3 \u226410
\n-4×1 +2×2 -2×3 \u226412
\n3×1 -8×2 +x3=1
\nx1\u22650,×2\u2265 0, x3unrestricted.<\/li>\n
\n![\"\"](\"https:\/\/www.onlinenotesnepal.com\/wp-content\/uploads\/2021\/04\/GG-15.png\")
b) Four jobs are to be done on four different machines. The cost (in rupees) of production ith job on the jth machine is given.
\n![\"\"](\"https:\/\/www.onlinenotesnepal.com\/wp-content\/uploads\/2021\/04\/GG-16.png\")
What is the job assignment which will minimize cost?<\/li>\n
\n![\"\"](\"https:\/\/www.onlinenotesnepal.com\/wp-content\/uploads\/2021\/04\/GG-17.png\")
\ni. What are the expected task durations and the variance of task duration.
\nii. Draw a network for the project and find the critical path. What is the expected duration of the project?
\niii. What is the probability that the project will not exceed 60 days?
\nb) The executive Council of Pokhara University wants to keep track of the budget that each engineering department requires to recruit new graduate student .the council has received the following data from four departments
\n![\"\"](\"https:\/\/www.onlinenotesnepal.com\/wp-content\/uploads\/2021\/04\/GG-18.png\")
\nCalculate an unweighted average of the relative index for the year 2011 and 2012 using 2010 as the base year<\/li>\n
\na) Multicollinearity.
\nb) Differentiate between the primal and dual problems of linear programming.
\nc) Use of CPM for project evaluation.<\/li>\n<\/ol>\n