For the data in the following table, compute the additive quarterly seasonal forecast model for the number of ice creams sold by the store without trend. Round yourvalues for the coefficients of the model to three decimal places.AnswerForecast=+Quarter123412341234123Number of Ice Creams286842736820362024014551698136782685487359723914203246555964Copy DataDQ₁ + (DQ₂ +DQ3

Let us define the dummy variables,Therefore, number of…

Answered: For the data in the following table,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The creator of a new online multiplayer survival game has been tracking the monthly downloads of the game. The following table shows the monthly downloads (in thousands) for each month of the current and previous year. Click on the datafile logo to reference the data. The datafile logo. Month Downloads Month Downloads (previous year) (thousands) (current year) (thousands) February 33.0 January 31.0 March 34.0 February 32.0 April 34.0 March 33.0 May 31.0 April 34.0 June 32.0 May 33.0 July 33.0 June 32.0 August 35.0 July 35.0 September 36.0 August 33.0 October 37.0 September 33.0 November 34.0 October 31.0 December 35.0 a. Compute the mean, median, and mode for number of downloads in the previous year. Mean (to 3 decimals) thousand Median (to 2 decimal) thousand Mode (to 2 decimal) thousand b. Compute the mean, median, and mode for number of downloads in the current year. Mean (to 3 decimals) thousand Median (to 2…
Rail ridership during the summer months in the North-East is believed to beclosely related to the number of tourists visiting the region. The following tableshows the data on the number of tourists and North-East ridership for the past16 years. (Answer in Excel showing formulas for answers)Year Tourists( in millions) Rail Ridership (in millions) 2000 9 2.32001 4 1.9 2002 7 1.7 2003 5 1.8 2004 12 2.8 2005 13 2.9 2006 14 2.42007 20 4.8 2008 7 1.3 2009 5 1.12010…
The following chart shows the percentage of the U.S. discretionary budget allocated to education from 2003 to 2009 (t = 3 represents the start of 2003). A bar graph titled "Percentage of U.S. budget on education" has a horizontal t-axis labeled "Year since 2000" and a vertical axis labeled "Percentage". The bar graph has 7 bars. Each bar is associated with a label and an approximate value as listed below. 3: 6.8% 4: 7% 5: 7% 6: 6.9% 7: 6.5% 8: 6.3% 9: 6.2% The following table shows the percentage of the U.S. discretionary budget allocated to education in 2003, 2005, and 2009 (t = 3 represents the start of 2003). Year t 3 5 9 Percentage 6.8 7 6.2 Find a quadratic model for these three years. (Round your coefficients to two decimal places.) p(t) = Use your model to estimate the percentage of the U.S. discretionary budget allocated to education in 2007. (Round your answer to two decimal places.)
The accompanying table displays information about the number of births (in thousands) and the number of deaths (in thousands) for certain years. Report the death rate as a percentage of the birth rate, and comment on its trend over time. What is causing the trend? LOADING... Click the icon to view the data table. Report each death rate as a percentage of the birth rate. Year Births (thousands) Deaths (thousands) Percentage of deaths per births 2006 4275 2445 nothing% 2007 4320 2408 nothing% 2008 4241 2465 nothing% 2009 4140 2436 nothing% 2010 4002 2455 nothing% (Round to one decimal place as needed.)
Round every calculation to 2 decimal points unless the specific question asks for something different. Show answers as decimals and not percents or fractions.
Solve for the slope, y-intercept, equation of the trend line, the correlation coefficient, and the coefficient of determination for the following the data set. Show your work and explain the steps you used to solve. Round your answer to the nearest hundredth.
Below are the average heights for American boys in 1990. Age (years) Height (cm) birth 50.8 2 83.8 3 91.4 5 106.6 7 119.3 10 137.1 14 157.5 Find the estimated average height for a one-year-old. (Use your equation from part (d). Round your answer to one decimal place.) cmFind the estimated average height for a eleven-year-old. (Use your equation from part (d). Round your answer to two decimal places.) cm

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For the data in the following table, compute the additive quarterly seasonal forecast model for the number of ice creams sold by the store without trend. Round your values for the coefficients of the model to three decimal places. Quarter 1 Number of Ice Creams 2868