POn the basis of quarterly sales (in $ lakhs) of a certain commodity for the years 2001-2005 the following calculations were made : Trend: y = 25-0 + 0-6t, with origin at 1st quarter of 2001, where t = time units (one quarter), and y = quarterly sales $ lakhs). Seasonal variations : 3rd 4th Quarter Seasonal index 1st 2nd 110 105 90 95 Estimate the quarterly sales for the year 2002 (use multiplicative model).
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- No written by hand solution According to the U.S. BLS November and December 2021 price index data, What do you predict will happen on U.S import and Export price indexes responses rates for the next 3 months?Provide a trend analysis for income taxes ratios. What does it mean when a company's income taxes ratios increase over the years?Your friend - an artist - has asked you to help her determine how many paintings sized 50x150cm she should paint for sale. She's deciding between one, two, three, or four paintings. Your friend sells the paintings for 300 monetary units each. She spends 8 hours on each painting (1 hour of work = 15 monetary units). Additionally, each painting incurs an extra cost of 40 monetary units (for canvas, backing, paints, brushes, sprays). Based on past data, you estimate that with a probability of 0.2, there will be no potential buyers; with a probability of 0.2, there will be one potential buyer; with a probability of 0.2, there will be two potential buyers; with a probability of 0.3, there will be three potential buyers; with a probability of 0.1, there will be four potential buyers. Assume that if there are fewer paintings produced than potential buyers, some (randomly selected) potential buyers will remain without a painting; otherwise, all potential buyers will purchase exactly one…
- Q3 Please solve with hand by calculation using formulas (not in excel)1- Indicate if the following data sets represent time-series, cross section or panel data . a- Number of the registered students of the Pretoria Universities between the years 1995 and 2016. ___________________ b- Inflation rate of the EU members in 2020. ___________________ c- FDI to Turkey between the years 1990 and 2016. ___________________ d- Employment rate in Zimbabwe over the months January to 2020 December.An attempt was made to evaluate the inflation rate as a predictor of the spot rate in the German treasury bill market. For a sample of 79 quarterly observations, the estimated linear regressionŷ = 0.0027 + 0.7916xwas obtained, wherey = actual change in the spot ratex = change in the spot rate predicted by the inflation rateThe coefficient of determination was 0.097, and the estimated standard deviation of the estimator of the slope of the population regression line was 0.2759.a. Interpret the slope of the estimated regression line.b. Interpret the coefficient of determination.c. Test the null hypothesis that the slope of the population regression line is 0 against the alternative that the true slope is positive, and interpret your result.d. Test, against a two-sided alternative, the null hypothesis that the slope of the population regression line is 1, and interpret your result.
- A researcher has a sample of 6 annual observations {94, 104, 102, 99, 111 and 107} for the CPI in country Z for the period 2015 to 2020, and wants to forecast CPI for the years 2021, 2022 and 2023. The researcher uses 3 different forecasting models: A, B and C. Model A is an AR(1) model with no drift and with an estimated autoregressive coefficient = 0.7. Model B is a MA(1) model with no constant and with an estimated MA coefficient = -0.4 (note the minus !). Model C is a random walk model with no drift. The error terms over the 2015-2020 period were estimated to have the values: {3, -1, 2, 4, -3, 1}. a. Compute the 2021, 2022 and 2023 forecasted values for the consumer price index based on the three models. Show the formulas and the details of your calculations, and explain all the related symbols. b. Suppose that the actual values of the CPI over the 2021, 2022 and 2023 were {108, 114, 105}. Calculate the Root mean square error of the three model forecasts over the 2021-2023…What is the Original Measure (Base Period)?please help with the excel calculation its been my 6 th attmpt but i am not able to find the same answers which is been given by experts when i calculate it on excel. kindly help here
- My answer is 3.9 but actual answer is 4.35% please provide calculation!!!Please answer correct calculation please answer correct both are questions please answer Don't answer by pen paper plzA car company wants to know the monthly sales made in ($000), based on the brand of vehicle. The data collected was entered on a MINITAB spreadsheet for analysis. Exhibit II below was subsequently generated. Exhibit 2 Model N Mean Median Tri.Mean Std Dev S.E. Mean Hyundai 23 109 135 107.64 * 1.34 Toyota 27 165 124 143.65 9.5 ** Determine the values of * and **. Give the unbiased point estimate for the average monthly earning from Hyundai Give the unbiased point estimate for the variance of monthly earning from Hyundai Assuming normality, construct and interpret a 90% confidence interval for the average monthly earning from Toyota You are required to test at the 5% level of significance the hypothesis that the average monthly earnings on Hyundai Vehicles is equal to $110,000 versus the alternative that it is different from $110,000.