Assuming that trend is absent, determine the seasonality, it any in the data given belowYear1st quarter2nd quarter3rd quarter4th quarter200617216818017020071761701901742008174166,30018020091761742001782010178174250182

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Answered: Assuming that trend is absent,…

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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Có. Use these GSS 2018 data to determine whether labor force participation varies by sex. Not all labor categories are shown; some categories are collapsed. Calculate the appropriate measures of central tendency for males and females. Describe their labor force participation rate. Are they similar or different? Use calculations to support your your answer. Male Female Working full-time 436 410 Working part-time 60 134 School 31 C 28 Keeping house 30 149 Not working (laid off, temporary) 39 60 Total 596 781
Please help with the corrected answers in details: The following time series shows the sales of a particular product over the past 12 months. Month Sales 1 105 2 135 3 120 4 105 5 90 6 120 7 145 8 140 9 100 10 80 11 100 12 110 What type of pattern exists in the data? The data appear to follow a trend pattern. The data appear to follow a horizontal pattern. The data appear to follow a cyclical pattern.The data appear to follow a seasonal pattern. (b) Use ? = 0.2 to compute the exponential smoothing values for the time series. (Round your answers to two decimal places.) Month t Time Series Value Yt Forecast Ft 1 105 2 135 3 120 4 105 5 90 6 120 7 145 8 140 9 100 10 80 11 100 12 110 (c) Use a smoothing constant of ? = 0.4 to compute the exponential smoothing forecasts. (Round your answers to two decimal places.) Month t Time Series Value Yt Forecast Ft 1 105 2 135…
Following shows the numbers of Amazon Prime members in the millions, each quarter from 2016 to 2021. Quarter 2016 2017 2018 2019 2020 2021 1 26 36 48 62 81 98 2 27 37 50 65 83 103 3 29 40 53 69 86 109 4 33 44 57 74 93 117 Construct a line chart using the data. Describe the relationship between the time and number of subscribers.
U.S. Civilian Labor Force (thousands) Year Labor Force Year Labor Force 2007 153,918 2012 155,628 2008 154,655 2013 155,151 2009 153,111 2014 156,238 2010 153,650 2015 157,957 2011 153,995 2016 159,640 1. Fit three trend models: linear, exponential, and quadratic. Which model would offer the most believable forecasts? 2. Make forecasts using the following fitted trend models for years 2017-2019. t Exponential 11 12 13

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Assuming that trend is absent, determine the seasonality, it any in the data given below Year 1st quarter 2nd quarter 3rd quarter 4th quarter 2006 172 168 180 170 2007 176 170 190 174 2008 174 166 ,300 180 2009 176 174 200 178 2010 178 174 250 182