1. A company's sales (in dollars) appear to be increasing linearly. In 2015 the company's sales were $13,400,000 and in 2020 they were $25,900,000. Determine the linear trend equation that expresses the company's sales (S) in terms of elapsed time in years (r). [Code elapsed years so that = 0 represents the year 2015]. The equation that expresses the company's sales (S) in terms of the elapsed time in years (r) is What is the meaning of the slope of the equation?
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- 3. The variable rdintens is the expenditure on research and development (R&D) as a percentage of sales. Salary is measured in millions of dollars. The variable profmarg is profit as a percentage of sales. Let's suppose the equation below is estimated. Which statement is true? rdintens = 472 + .321log(sales) + .050profmarg (1.369) (216) (.046) o profmarg has a statistically significant effect on rdintens at 5% level o profmarg has a statistically significant effect on rdintens at 10% level o profmarg has a statistically insignificant effect on rdintens o profmarg has a statistically significant effect on rdintens at 1% levelA certain quantity Q has initial value 5 and decays by 2% each day. Give an exponential function that describes this quantity. (Use t in days as your variable.)Question 8 In a strict linear gradient series, the value of the cáash flow at time 0 = _ and 1 = 0, 0 O 0, G 0, g G, G
- Eng. Economy 1.Find the actual number of days from April 5, 2021 to December 5, 2021. 2.Find the approximate days between April 5, 2021 to December 5, 2021. 3.Find the ordinary interest for actual time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve). 4.Find the ordinary interest for approximate time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve). 5.Find the exact interest for actual time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve). 6.Find the exact interest for approximate time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve).3. Rubax, a U.S. manufacturer of athletic shoes, estimates the following linear trend model for shoe sales: Qt = a+bt+c1D1+c2D2+c3D3Where, Qt = sales of athletic shoes in the t-th quartert = 1, 2, . . . . , 28 [2011(I), 2011(II), . . . . , 2017(IV)]D1 = 1 if t is quarter I (winter); 0 otherwiseD2 = 1 if t is quarter II (spring); 0 otherwiseD3 = 1 if t is quarter III (summer); 0 otherwiseThe regression analysis produces the following results: Is there sufficient statistical evidence of an upward trend in shoe sales? explain Do these data indicate a statistically significant seasonal pattern of sales for Rubax shoes? If so, what is the seasonal pattern exhibited by the data? Using the estimated forecast equation, forecast sales of Rubax shoes for 2018(III) and 2019(II).Homework i ed ok ences Aft کے 2 The forecasted demand for Week 20 is places.) b. Use the above trend equation to predict expected loadings for Weeks 20 & 21. (Round your final answers to 2 decimal A- W It should reach 870 loadings in Week # 3 decimal places.) c. The manager intends to install new equipment when the volume exceeds 870 loadings per week. Assuming the current trend continues, in which week (at the earliest) should the loading volume reach that level? (Use the rounded answers, as required, from any previous part of this problem. Do not round any other intermediate calculations. Round your final answer to 2 €1 + E C Q Search $ 4 R V C % 5 G M F9 JK 9 " F10 Alt F11 ✩ P น Ctrl 8 Help Save & Exit Submit F12 C PrtSc + 11 Insert Home 1 3/23/2023 Delete Backspace PgUp Er
- i dont copy chagpt i will 5 upvotesEng. Economy Compounded 3yrs 1.Find the actual number of days from April 5, 2021 to December 5, 2021. 2.Find the approximate days between April 5, 2021 to December 5, 2021. 3.Find the ordinary interest for actual time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve). 4.Find the ordinary interest for approximate time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve). 5.Find the exact interest for actual time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve). 6.Find the exact interest for approximate time for a $ 25,000 loan at 3 % interest. ( Use the number of days previously solve). 7.Find the compound amount for a $ 25,000 loan at 3 % interest. 3yrsTable 8 Amounts of New Solar Power Installed in the United States Amount of New Solar Power Installed Year (megawatts) 2006 2007 105 160 2008 290 2009 435 2010 878 2011 1891 3300 2012 Source: GTM Research If the model is given by: y 2.73(1.80)*, what is the growth rate? O the growth rate is 273%. O The growth rate is 80%. O can not be determined from the equation. O The growth rate is 73% O The growth rate is 180%. 99+ a
- Please....... Solve this with proper. CalculationExplain why the variables move together on this time trend. (Please see attachment and give proper correct explanation in typed format step by step within 40 min . Will give you thumbs up only for the correct answer . Thank you .)Annual revenue for Corning Supplies grew by 5.5% in 2014; 1.1% in 2015; -3.5% in 2016; –1.1% in 2017; and 1.8% in 2018. What is the mean growth annual rate over this period? Round your answer to four decimal places. Do not round intermediate calculations.