The following data are the last three years of quarterly sales ($ thousands) for AmeriWeld. They are looking to forecast their sales forthe upcoming year, 2021.Quarter2018 Q1Sales $ thousands (y)151Q2214Q33.13Q4372019 Q1Q2Q3Q42020 Q15463476773778910Q2Q3Q462119412101Click here for the Excel Data File. Data file should open in a new browswer window. Select "File" then "Save As" to download the file toyour computer and be able to use it in Excel.a. Determine the regression equation.Regression equation: ŷ =(Round to 2 decimal places.)b. Determine the specific index for each quarter.2 decimal places.)(Indexes should be in decimal form (e.g. 1.36 not 136). Rounded toQuarterQuarterly IndexQ1Q2Q3Q4c. What are the estimated sales (forecast) for the next four quarters?(Values in $thousands. Round to 2 decimal places.)QuarterForecasted Sales2021-12021-22021-32021-3

Answered: The following data are the last three…

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

Kahuna's Credit Union conducted a survey as to how long customers claimed to wait in the checkout line until their turn. Let X = time in line. The table below displays the ordered real data (in minutes): 0.50 4.25 5 6 7.25 1.75 4.25 5.25 6 17.25 2 4.25 5.25 6.25 7.25 2.25 4.25 5.5 6.25 7.75 2.25 45 55 65 8 2.5 4.75 55 65 825 2.75 4.75 5.75 6.5 19.5 3.25 4.75 5.75 6.75 95 3.755 16 6.75 9.75 3.75 5 6 6.75 10.75 Calculate the sample mean and the sample standard deviation to the nearest hundreths.
The following graph is an ogive of a standardized test's scores. The vertical axis in an ogive is the cumulative relative frequency and can also be interpreted as a percentile. Complete parts a through c. Find and interpret the percentile rank of a test score with a value of 130. A test score of 130 corresponds to the enter your response hereth percentile rank since this percentage of test scores are greater than or equal to greater than less than or equal to less than a test score with a value of 130.
The stacked column graph below shows additional information from the Bureau of Labor Statistics¹ about employment and education for two groups of workers in the United States compared with the graph discussed in the in-class activity. This graph includes data about workers aged 65 and older. Percentage Employment distribution of workers by education 1997 and 2007 2007 Age 65 and older Pocholode higher's degree. college or associate graduates college mless than a high school. diploma Part A: Use the graph to estimate the following information for the Age 65 and older group and complete the following table. 2007 Age 65 and older 1997 % % % % % % Bachelor's degree or higher Some college or associate degree High school graduates, no college % % Less than a high school diploma % AP % Total
8.) The following table shows the monthly changes to the amount of money in Arielle's of bank açcount over the last four months. May +$25 June +$30 f July -$40 August -$15 Which month saw the biggest change in Arielle's account?
Could you please tell me if my work is correct? Forbes magazine published data on the best small firms in 2012. These were firms which had been publicly listed for at least a year, have a stock price of at least $5 per share, and have reported annual revenue between $5 million and $1 billion. The table shows the ages of the chief executive officers for the first 60 ranked firms. Age Frequency Relative Frequency Cumulative Relative Frequency 40–44 3 0.05 0.05 45–49 11 0.18 0.23 50–54 13 0.22 0.45 55–59 16 0.27 0.72 60–64 10 0.17 0.88 65–69 6 0.10 0.98 70–74 1 0.02 1.00 Total: 60 1 How I got the calculations: Age Frequency Relative Frequency Cumulative Relative Frequency 40–44 3 =F10/F17 =G10 45–49 11 =F11/F17 =H10+G11 50–54 13 =F12/F17 =H11+G12 55–59 16 =F13/F17 =H12+G13 60–64 10 =F14/F17 =H13+G14 65–69 6 =F15/F17…
The percentage of employees who cease their employment during a year is referred to as employee turnover, and it is a serious issue for businesses. The following table shows the cost, in millions of dollars, to a certain company for a given employee turnover percentage in a year.
Use tables to express and represent the descriptive statistics for thevariables below. Years Nominal Exchange RateJ$ - US$1 Value of ImportsBillions USD Value of ExportsBillions USD 2019 $134.22 8.244 6.304 2018 $129.72 8.088 6.148 2017 $128.36 7.234 5.188 2016 $125.14 6.284 4.714 2015 $117.31 6.555 4.626 2014 $111.30 7.434 4.692 2013 $100.89 7.515 4.608 2012 $88.80 7.678 4.835 2011 $86.08 7.721 4.508 2010 $87.33 6.555 4.248 2009 $88.28 6.352 4.273 2008 $72.91 9.821 6.027 2007 $69.04 7.874 5.59 2006 $65.90 7.231 5.161 2005 $62.59 6.208 4.322 2004 $61.34 5.268 4.168 2003 $57.52 4.86 3.741 2002 $48.56 4.771 3.442 2001 $46.13 4.53 3.57 2000 $43.39 4.568 3.782 1999 $39.30 4.017 3.643

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS