In the table below, there are twelve rates over the period of time 2008 till 2019. You willchoose a range of 8 years to use it in your predictions.YearMillion Visitorsper year20081.276120091.303420101.403320111.587820121.868920132.258620142.768920153.411820164.199320175.1420186.256120197.5494a) Write a polynomial function of degree 3 that best fits the data using technology.

Regression equation are used to predict the variable based on the another. If the regression…

Answered: In the table below, there are twelve…

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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A regional Internet provider keeps records of complaints received from its customers. Complaints for last month are listed in the following table. What percent of the complaints are due to the categories Long customer service wait times or Unreliable/Frequently stops working? Round your answer to two decimal places, if necessary. Customer Complaints Type of Complaint Too expensive Unreliable/Frequently stops working Page loading too slow Download/Upload speed too slow Extra data usage charges Poor tech support Long customer service wait times Incorrect billing Long wait for installation Frequency 174 242 111 98 67 103 59 46 75
Piedmont Park certainly notices that its attendance is seasonal. They've collected data for the last three years (attendance in thousands) with the data shown below. What would be the forecast for Winter 2024 (to two decimal places) before adjusting for seasonality? Quarter 2021 2022 2023 Winter 100 102 106 Spring 160 170 180 Summer 250 280 260 Fall 180 190 192 Selected Answer: 102.67
Google's stock (GOOG) was tracked for 10 days, showing closing prices of 1,106.65; 1,104.37; 1,128.64; 1,120.53; 1,109.53; 1,110.76; 1,137; 1,068.2; 1,113.1; 1,136.3. Calculate the range of the dataset.
The bar graph shows that life expectancy, the number of years newborns are expected to live, in a particular region has increased dramatically since ancient times. Find the percent increase in average life expectancy of the region from the Stone Age to 2016. 80- 70- 60- 71 62 51 50- 40- 31 33 30 30- 26 20- 10- Ancient Middle Greece Ages 1950 Stone Age 1980 2016 1900 Time Period/Year (Round to the nearest integer as needed.) Average Life Expectancy (years)
The selling prices of mutual funds change daily. In order to study these changes, a sample of mutual funds was examined and the daily changes in price are listed below. (Round answers to 3 decimal places) 0.32, -0.17, 0.26, -0.03, -0.01, 0.18, 0.33, 0.28, 0.02, -0.29, -0.08, 0.12, 0.07, 0.03, 0.28 a) Using a calculator find Q1, Q3, median and IQR b) Determine the lower and upper fences. (Show work) c) Identify the outliers (if any) in this set
the table shows the percent of households with internet access for selected years from 2009 and projected through 2015. Year Percent of households 2009 67 2010 70 2011 72.5 2012 75 2013 76.5 2014 77.2 2015 78 Use the model to predict the percent of households with internet access in 2022.
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
The number of married people in a country (in millions) and the total number of adults in the country (in millions) are provided in the accompanying table for several years. Find the percentage of people married in each of the given years, and describe the trend over time. The percentage of the adult population that was married in 1990 was (Round to one decimal place as needed.) %. Year 1990 1997 2000 2007 Married 112.3 120.9 119.6 131.5 Total 187.8 207.3 215.5 238.3
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…
Community Hospital began the year 2019, a non-leapyear, with 102 beds. By March 1st, it had expanded the number of beds to 116. In April through June, the hospitalreported 120 beds, which increased to 124 beds in Julythrough October. Finally, the hospital completed itsexpansion process in November to end the year with 130beds. Use these data to answer the questions below. Roundto one decimal place.(i) Calculate the percentage of occupancy for each month.(ii) Calculate the percentage of occupancy for each quarter(January through March, April through June, July throughSeptember, and October through December).(iii) Calculate the percentage of occupancy for the year.
The forecast for year 6 using a weighted 2-year moving average with weights of 0.350.35 and 0.650.65 (the weight of 0.650.65 is for the most recent period) is what?

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