Calculate MSE for the 4 periods for which the actual and forecasted number of customers given in the table below: Period Actual Number of Customers Forecasted Number of Customers Error 1 1,975 2,000 2 2,050 2,025 3 1,925 1,975 4 2,075 2,025 0 390.63 37.5 6,250 1,562.5

Calculate MSE for the 4 periods for which the actual and forecasted number of customers given in the table below: Period Actual Number of Customers Forecasted Number of Customers Error 1 1,975 2,000 2 2,050 2,025 3 1,925 1,975 4 2,075 2,025 0 390.63 37.5 6,250 1,562.5

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

1. The total number of Corona cases in the US, please keep in mind it is a running total. Courtesy of worldometers.info Date in 2020 Feb. 15 Day ( Number of Corona Cases (C) 1 15 Feb. 26 12 68 Mar. 8 23 541 Mar. 19 34 14,896 171,655 517,100 Mar. 30 45 Apr10. Apr. 21 May 2 May 13 May 24 June 4 56 67 835,559 1,170,301 1,443,627 78 89 100 1,704,112 1,942,737 111 June 15 122 2,187,774 June 26 133 July 7 July 18 2,556,718 3,109,759 144 155 3,849,089 July 29 Aug. 9 Aug. 20 Aug. 31 166 4,588,252 177 5,228,738 5,771,205 188 199 6,239,373 Sept. 11 Sept. 22 210 6,673,451 221 7,109,730 a. Let C be the total number of Corona Virus cases in the United States by the end of the r days since Feruary 14, 2020. (Let r = 0 represent Feb. 15, 2020.) Create a scatter plot of the data. Take up the entire piece of graph paper. Make sure to label the axes, and title your graph. Does it look linear? Exponential, Quadratic? c. Use the calculator to find the regression equation for this data. Express the…
Refer to the following infectious Hepatitis statistics for Genesee County for 2007. The population of Genesee County is 436,000 people. There were 1,050 cases of Chronic Hepatitis C at the end of 2006 The number of new cases of Chronic Hepatitis C: 355 The number of Hepatitis A cases: 32 The number of cases of acute hepatitis B: 177 Calculate the incidence rate of acute Hepatitis B for 2007._____________ Calculate the prevalence rate of chronic hepatitis C for 2007 ___________ Suppose all the hepatitis A cases were all associated with an outbreak. A food handler was ill and infected 19 people who ate at the restaurant (located in Genesee County) where the food handler was employed. Ten (10) secondary cases occurred as a result of being infected by someone who ate at the restaurant Calculate the attack rate for this…
Official unemployment rates for the U.S. population are reportedon a monthly basis by the Bureau of Labor Statistics.For the period October, 2011, through January, 2012, theofficial unemployment rates were 8.9% (Oct.), 8.7% (Nov.),8.5% (Dec.), and 8.3% (Jan.). (Source: U.S. Bureau of LaborStatistics, www.bls.gov.) If the unemployment rateswere to continue to decrease following a linear model,(a) predict the unemployment rate on January, 2013.(b) predict when the United States would reach a zero unemploymentrate.
A quality control process finds 36.6 defects for every 6,100 units of production. What percent of the production is defective?
The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fence ad the cutoff point for the number of minutes at which the customer should be contacted. What is the cutoff point?
What percentage change in the total and Hispanic populations occurred in each state between 2000 and 2010?
How many observations are in the data set? How do I calculate this in the "R" program?
Abdomen data: 83.0, 87.9, 85.2, 88.6, 77.1, 85.3, 100.0, 94.4, 81.9, 88.5, 82.5, 100.5, 76.5, 86.4, 90.7, 83.6, 106.8, 77.6, 102.9, 90.9, 79.7, 73.9, 79.1, 72.8, 88.2, 100.1, 89.6, 95.9, 98.8, 76.3, 83.5 105.0, 90.8, 83.5, 84.5 101.8, 76.6, 76.4, 88.7, 92.4, 81.2, 91.6, 97.5, 80.0, 88.7, 100.5, 95.6, 92.1, 96.4, 74.6, 83.4, 106.0, 96.4, 92.8, 95.1, 90.4, 100.4, 115.9, 90.8, 81.9, 75.0, 90.3, 90.3, 108.8, 79.4, 83.2, 110.3, 91.6, 92.7, 76.0, 79.5, 86.1, 104.5, 104.6 Assume that the abdomen circumference of males have a distribution that isapproximately bell-shaped. Using the mean (= 89.7) and standard deviation (=9.9) as estimates of the population mean and standard deviation, a. Construct a diagram, using the Empirical Rule, to illustrate the percentagesof data values in each of the 8 sections that diagram includes.b. Between what two measurements will about 95% of the abdomencircumferences fall?
at 2 presented based on the Health Information National Trends Survey (HINTS) LALYSIS
Bavsut Cement Company has divided Oman into different areas. The following table shows the Population and actual Sales for the current areas in which the company does business. The table also gives the Forecast values that were calculated for each of the areas: Population (thousands) Areas Sales Forecast (millions) (millions) A 2.53 410 413 1.76 240 232 C 6.81 595 590 4.22 325 339 E 12.77 990 925 F 5.09 665 662 G 10.82 840 859 16.84 1,450 1329 7.65 825 853 11.34 935 933 K 6.18 830 844 a. Calculate the regression equation. b. Calculate the correlation coefficient and interpret it. c. The company is planning to expand into two additional areas in the coming year. The population of these two areas are 743,000 and 387,000. What are the estimated sales that can be expected from these two areas? d. Compute the MAD value to arrive at the forecast accuracy.
The table to the right shows data found at a government census website, under a "Did You Know" panel. What type of data source is the information presented here based on? Private Sector Total Employment in a State All 2008 Q2 2009 Q2 Change Female 537,290 517,948 −3.6% Male 504,214 477,491 −5.3% Retail Trade Female 168,942 146,473 −13.3% Male 162,502 144,302 −11.2% Question content area bottom Part 1 Choose the correct answer below. A. The information is the outcome of an experiment that was conducted. B. The information is the result of an observational study that was conducted. C. The information is the result of a survey that was conducted. D. The information is collected via ongoing business activities. E. The information is distributed by an organization or individual.
The following data report total, monthly U.S. gasoline sales in millions of dollars from January 2017 toDecember 2018. (To find the data, go to the site https://www.census.gov/retail/index.html#mrts, find“Monthly Retail Trade Report,” then select “Time Series/Trend Charts.”)Year Month Sales ($ millions)2017 Jan $35,6302017 Feb 33,9722017 Mar 38,6222017 Apr 38,9732017 May 40,7392017 Jun 40,0092017 Jul 39,7972017 Aug 41,2172017 Sep 41,3462017 Oct 41,7172017 Nov 40,1862017 Dec 40,0462018 Jan 39,2232018 Feb 37,3772018 Mar 42,6482018 Apr 43,1092018 May 48,0492018 Jun 47,5462018 Jul…