Because of high tuition costs at state and private universities, enrollments at community colleges have increased dramatically in recent years. The following data show the enrollment for a certaincommunity college for the nine most recent years.Year2001200220032004b₁20052006200720082009Period (t)123456789Enrollment (1,000s)6.78.38.210.412.313.113.517.017.9(a) Construct a time series plot. What type of pattern exists in the data?O The time series plot shows a seasonal pattern.O The time series plot shows a nonlinear trend.The time series plot shows a horizontal pattern.O The time series plot shows a linear trend.(b) Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series. (Round your answers to two decimal places.)bo(c) What is the forecast for year 10 (in 1,000s)? (Round your answer to one decimal place.)thousand students

Data is given from year 2001 to 2009 We have to plot time series plot and we have to calculate…

Answered: Because of high tuition costs at state…

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 following data represent the living situation of newlyweds in a large metropolitan area and their annual household income. What percent of people who rent their home make between $35,000 and $50,000 per year? Round to the nearest thousandth of a percent. $75,000 Own home 31 52 202 355 524 Rent home 67 66 52 23 11 Live w/ family 89 69 30 4 2 A. 18.310% В. 23.744% С. 10.502% D. 30.137%
The following graph shows the annual number of car accidents in California. Which of the following statements about the annual number of car accidents is an accurate conclusion? Yearly Car Accidents 180,000 160,000 140,000 120,000 100,000 80,000 60,000 40,000 20,000 2000 2005 Year 1985 1990 1995 2010 2015 2020 e 2018 Glynlyon, Inc. O There is a greater decrease in the annual number of car accidents from 1994 to 1995 than from 1997 to 1998. O There is a smaller decrease in the annual number of car accidents from 1999 to 2000 than from 1997 to 1998. O There is a smaller increase in the annualnumber of car accidents from 1995 to 1996 than from 1998 to 1999. O There is a greater increase in the annual number of car accidents from 1993 to 1994 than from 1996 to 1997. Car Accidents
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You collect data of average annual returns for Amazon Stock and Microsoft Stock and make the following table: (This data can be copied into Excel.) Year Amazon Return Microsoft Return 2013 0.5896 0.1221 2014 -0.2218 0.2416 2015 1.1778 0.1944 2016 0.1095 0.1200 2017 0.5596 0.3766 2018 0.2843 0.1874 2019 0.3216 0.5526 You use this data to answer the research question: are true population Amazon Returns greater than true population Microsoft Returns?
Medicare's new medical plans offer a wide range of variations and choices for seniors when picking a drug plan. The monthly cost for a stand-alone drug plan varies from plan to plan and from state to state. The accompanying table gives the premium for the plan with the lowest cost for each state. State Cost per Month (dollars) Alabama 3.84 Alaska 1.87 Arizona 13.87 Arkansas 8.26 California 19.88 Colorado 10.63 Connecticut 4.34 Delaware 6.29 District of Columbia 7.01 Florida 17.73 Georgia 12.39 Hawaii 6.22 Idaho 9.73 Illinois 20.86 Indiana 3.28 Iowa 8.86 Kansas 1.87 Kentucky 8.75 Louisiana 9.65 Maine 1.87 Maryland 6.78 Massachusetts 10.68 Michigan 17.59 Minnesota 8.99 Mississippi 9.60 Missouri 10.10 Montana 10.13 Nebraska 10.33 Nevada 1.87 New Hampshire 10.00 New Jersey 13.92 New Mexico 8.87 New York 13.17 North Carolina 17.90 North Dakota 12.55 Ohio 1.87 Oklahoma 6.41 Oregon 1.87 Pennsylvania 15.68…
The population of a certain city is shown in the following table during 1910 to 1950. Year 1910 1920 1930 1940 1950 Рорulation (in thousands) 22.6 45 26 48 60 Find the population increase between I. 1918 to 1920 II. 1932 to 1936 III. 1947 to 1950
mpute Marshall – Edgeworth price index number for the following data by taking 2016 as base year. Items sold out in a men's wear 2017. 2016 GRSH Prices Quantity Quantity Prices Shirts 900 175 700 150 Pants 1200 150 1000 100 Sandals 600 100 500 70 Shoes 1800 60 1500 50 150 Belts Watches 400 100 600 250 300 1500 1200
The table below represents the monthly unemployment rates in the US from January of 2005 through May of 2016. Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2005 5.3% 5.4% 5.2% 5.2% 5.1% 5.0% 5.0% 4.9% 5.0% 5.0% 5.0% 4.9% 2006 4.7% 4.8% 4.7% 4.7% 4.6% 4.6% 4.7% 4.7% 4.5% 4.4% 4.5% 4.4% 2007 4.6% 4.5% 4.4% 4.5% 4.4% 4.6% 4.7% 4.6% 4.7% 4.7% 4.7% 5.0% 2008 5.0% 4.9% 5.1% 5.0% 5.4% 5.6% 5.8% 6.1% 6.1% 6.5% 6.8% 7.3% 2009 7.8% 8.3% 8.7% 9.0% 9.4% 9.5% 9.5% 9.6% 9.8% 10.0% 9.9% 9.9% 2010 9.7% 9.8% 9.9% 9.9% 9.6% 9.4% 9.5% 9.5% 9.5% 9.5% 9.8% 9.4% 2011 9.1% 9.0% 9.0% 9.1% 9.0% 9.1% 9.0% 9.0% 9.0% 8.8% 8.6% 8.5% 2012 8.2% 8.3% 8.2% 8.2% 8.2% 8.2% 8.2% 8.1% 7.8% 7.8% 7.8% 7.9% 2013 7.9% 7.7% 7.5% 7.5% 7.5% 7.5% 7.3% 7.2%…
A Paasche price index for each year.
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The number of adult Americans who smoke continues to drop. The table contains estimates of the percentages of adults (ages 1818 and over) who were smokers in the years between 1965 and 201715.and 201715. ???? ?Year � ??????? ?Smokers � 1965 41.94 1970 37.4 1974 37.1 1978 34.1 1980 33.2 1983 32.1 1985 30.1 1987 28.8 1990 25.5 1993 25.0 1995 24.7 1997 24.7 1999 23.5 2001 22.8 2002 22.5 2004 20.9 2006 20.8 2008 20.6 2010 19.3 2012 18.1 2014 16.8 2017 14.0 According to your regression line, how much did smoking decline per year during this period, on the average? Give your answer to three decimal places. average smoking decline: percentage points

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