Define index number and discuss the various problems that arė faced in theconstruction of an index number. The data given below related to the workers in ahousing.Cost of living index for 2013upon 2010260Groups% of expenditureFoodFuel50140HousingClothingOther items150151901811012If the average monthly pay of the workers in 2010 was $ 20,000. What should be theaverage monthly pay in 2013 in order that the workers may be able to maintain thesame standard of living as that of 2010?

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Answered: Define index number and discuss the…

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 taosschools.instructure.com uiz: QZ: 11/8/2021 - Progress Check Use the data from the table below for the population of Detroit to answer the following According to official data of www.census.org 2 population of Detroit, MI, is decreasing. Use the data from the table below for the population of Detroit to answer the following questions. Year Population of Detroit, in thousand people 1950 1,850 1960 1,670 1970 1,514 1980 1,203 1990 1,028 Find the predicted value for the population of Detroit in the year 2000 using the regression line. If the known population of Detroit in the year 2000 is about 951 thousand of people, what can you say about your predicted value? Why is it risky to use the least squares line to make the prediction for the next year? Edit View Insert Format Tools Table 12pt v Paragraph B MacBook Air 吕0 F3 F6 F7 F8 F9 F4 F5 2$ % & * 4 7 8 E T Y U #3
1. Fill in the blanks for each of the statements below. а. A survey of 1000 U.S. adults found that 40% think the internet is the best way to get news and information. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the 40% a parameter or statistic, and why? b. A survey of the 55 law firms in a local city found that the average hourly billing rate is $425. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the $425 a parameter or statistic, and why?.
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In the last three years, there have been changes of 55%, 3% and 2% in the production amount of a good, respectively. What is the geometric mean of the annual rate of change?
b) Susan Smith is asking you a question about the percentage increase in fruit prices from 2017 to 2018 at her favourite fruit market in Parramatta. From the owner, she obtains the prices purchased per week (in kg) and quantities of the three most popular fruits: apples, oranges and lemons. These figures are tabulated below. Price per Kg ($) Quantity (Kg) 2017 2018 2017 2018 Apples 4.25 4.50 35 40 Oranges 3.00 3.50 20 18 Lemons 5.75 6.00 15 19 Using 2017 as the base vear
a. Based on the graph, what was the dollar amount of the US National Debt in 2000? Be as accurate as possible. Write your answer in expanded form (for example, 100,000). b. Based on the graph, what was the percent of GDP for the US National Debt in 2000? Be as accurate as possible. c. Based on your above answers, what was the GDP in 2000? Show calculations/thought process supporting your answer.
44. Fireworks Revenue. Revenue from display fireworks in the United States increased from $141 million in 1998 to $320 million in 2012 (Source: American Pyrotechnics Association). Find the average rate of change in the revenue from fireworks in the United States from 1998 to 2012.
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9. 16 y 6. 16 naresssurespsa %23 & 3 8 W R Y
Please show steps in Excel. The 32 teams in the National Football League (NFL) are worth, on average, $1.17 billion, 5% more than last year. The datafile NFLTEAMVALUE shows the annual revenue ($millions) and the estimated team value ($ millions) for the 32 NFL teams (Forbes website, February 28, 2014). a.Develop a scatter diagram with Revenue on the horizontal axis and Value on the vertical axis. Does there appear that there is any relationship between the two variables? b. What is the sample correlation coefficient? What can you say about the strength of the relationship between Revenue and Value? Team Revenue ($ millions) Current Value ($ millions) Arizona Cardinals 253 961 Atlanta Falcons 252 933 Baltimore Ravens 292 1,227 Buffalo Bills 256 870 Carolina Panthers 271 1,057 Chicago Bears 298 1,252 Cincinnati Bengals 250 924 Cleveland Browns 264 1,005 Dallas Cowboys 539 2,300 Denver Broncos 283 1,161 Detroit Lions 248 900 Green Bay Packers 282 1,183 Houston…
7. The following circle graph shows the distribution of expenditures related to wildlife watching in a recent year. Use the graph to answer the questions. Food Other 7% Lodging 5% 18% Transportation 7% Trip related costs 2% Equipment 61% a) What percent of expenditures are on food? b) In a recent year, $38 million was spent in wildlife watching recreation. How much of that was spent on transportation?
How to calculate percentage mark up?

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