Current US household income by percentiles is: $6,000 (bottom 10 percent) $12,000 $18,000 $32,000 $42,000 $55,000 $67,000 $84,000 $362,000 $680,000 (top 10 percent) That is, the poorest 10 percent ofhouseholds earn an average income of $6,000 and the richest 10 percent of households earn an averageof $680,000. (i) From the data above, approximately what is the median average household income. (ii)Construct a Lorenz Curve for the United States.

The following information is given.The poorest 10% of households earn an average income of…

Answered: Current US household income by…

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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Find the percentile for the data value. Data set: 20 20 70 40 20 50 90 90 110 30 20 90 60 10 90; Data value:70
A sales manager collected the following data on annual sales and years of experience. Annual Sales ($1000s) 80 Salesperson Years of Experience 1 1 4 102 3 6 103 4 10 119 5 13 136
The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 284 Humanities 25% 218 Natural Science 20% 207 Social Science 15% 102 All other subjects 8% 77 (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to three decimal places. Round the test statistic to three decimal places.)
The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 237 Humanities 25% 220 Natural Science 20% 223 Social Science 15% 128 All other subjects 8% 80 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students. (a) What is the level of significance?State the null and alternate hypotheses. H0: The distributions are the same.H1: The distributions are different.H0: The distributions are the same.H1: The distributions are the same. H0: The distributions are different.H1: The distributions are different.H0: The…
The table to the right shows data found at a government census website, under a "Did You Know" panel. What type of data source is the information presented here based on? Private Sector Total Employment in a State All 2008 Q2 2009 Q2 Change Female 537,290 517,948 −3.6% Male 504,214 477,491 −5.3% Retail Trade Female 168,942 146,473 −13.3% Male 162,502 144,302 −11.2% Question content area bottom Part 1 Choose the correct answer below. A. The information is the outcome of an experiment that was conducted. B. The information is the result of an observational study that was conducted. C. The information is the result of a survey that was conducted. D. The information is collected via ongoing business activities. E. The information is distributed by an organization or individual.
Given a data set with u = 18 and o = 3 find the percent of data within each range: Just type the number in the blank, do not type "%" sign. between 15 and 21 = %3D [ Select ] between 12 and 24 = [ Select ] below 18 [ Select ] between 12 and 21 = [ Select ]
O E U8 A Sdet jet laen and Gephs kead Only d A kobert Rapch Home Insert Draw Design Layout References Malings Review View Help d Share PComments The bar charts below show the number of refugees admitted to the states by nationality region. Number of refugees admitted each fiscal year into the U.S., in thousands, by region of nationality Africa a Middle East Asla-Pacific Europe Americas 3.000 16.000 11,000 20,000 15,000 6.000 5,000 2,000 2,000 2,000 Lilulla 2002 Note: Fisésl yearstars Oct. 1. See AppendixC for ciassification of countries into reglons Numbers are rounded to the nearest thousand. Source: Pew Research Centeranslysisof U.S. Stste Depsrtment's Retugee Proessing Center data (Demagraphic Prafile), A ccessed Gct. 2, 2017. 2017 2002 2017 2002 2017 2002 2017 2002 2017 *U.S. Reseties Fewer Refugees Evenas Global Numberof Displaced People Grovs" 2 E 5. Summarize what you see in the prior graph (number of refugees each fiscal year admitted into the US by region of nationality) and…
Consider the following data set: 38 24 32 18 25 Find the 36th percentile for this data. 36th percentile =
Net Worth. The Board of Governors of the Federal Reserve System publishes information on family net worth in the Survey of Consumer Finances. In 2010, the mean net worth of families in the United States was $498.8 thousand and the median net worth was $77.3 thousand. Which measure of center do you think is more appropriate? Explain your answer.
The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 259 Humanities 25% 223 Natural Science 20% 213 Social Science 15% 126 All other subjects 8% 67 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students. (a) What is the level of significance?State the null and alternate hypotheses. H0: The distributions are different.H1: The distributions are the same.H0: The distributions are the same.H1: The distributions are the same. H0: The distributions are different.H1: The distributions are different.H0: The…

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