Homework Answers
a)in region C ; income is supposed to be most evenly spread as it has the least std deviation
b) in region A ; income is supposed to be least evenly spread as it has the highest std deviation
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5. The following data describe the distribution of annual household income in three regions of a...
The relative frequency table below displays the distribution of annual total household income for a representative...
The relative frequency table below displays the distribution of annual total household income for a representative sample of 119,730,128 households. This data is from the 2018 American Community Survey. Less than $10,000 6.3% $10,000 to $14,999 4.6% $15,000 to $24,999 9.3% $25,000 to $34,999 9.3% $35,000 to $49,999 12.6% $50,000 to $74,999 17.5% $75,000 to $99,999 12.5% $100,000 to $149,999 14.6% $150,000 to $199,999 6.3% $200,000 or more 7.0% a) What is the probability that a random American household makes...
4. The following income distribution data are for a hypothetical developing country. (20 points) Ọuintile Lowest...
4. The following income distribution data are for a hypothetical developing country. (20 points) Ọuintile Lowest 20% Second quintile Third Fourth quintile Highest 20% Highest 10% Percent Share 2.4% 5.7% 10.7% 18.6% 62.6% 46.2% quintile a) Carefully graph the Lorenz curve, labeling the axes. (5 points) b) This country's national income is about $300 billion. What is the dollar income of the bottom 20 percent? Bottom 40 percent? (5 points) c) Using the same income data specified in (ii), assume...
Design a project in C to collect household information for a census bureau which should obtain and analyze household inf...
Design a project in C to collect household information for a census bureau which should obtain and analyze household information within the Greater Toronto Area. Data Collected: • Date of collection of data using MM/DD/YYYY format • Regions: o Peel o York o Durham • Towns – required o For Peel Brampton Mississauga o For York Maple Vaughan o For Durham Whitby Oshawa • Race of head of household – required (Caucasian, Indigenous, African American, Asian, Other) • Number of...
35. Median Income The following table gives the median household income, meaning that half the households...
35. Median Income The following table gives the median household income, meaning that half the households in the United States earned less than that amount and half the house- holds earned more than that amount (see Chapter 10), for vari- ous years. (Data from: U.S. Census Bureau.) le uloa 2014 2015 2010 2005 Year $53,657 $56,516 $46,326 $49,276 Household Income (a) Use the data from the years 2005 and 2010 to find a linear model for these data, with x...
Lorenz Curve The United Nations reports data on income distribution for different countries as a ratio...
Lorenz Curve The United Nations reports data on income distribution for different countries as a ratio of the income of the richest 10% to the income of the poorest 10%. If the ratio for Japan is 4.5 and the ratio for the United States is 15.9, which of the following statements is correct? a) This ratio is the slope of the Lorenz curve for each country. b) This is the same thing as the Gini coefficient. c) The distribution of...
A study of fox rabies in a country gave the following information about different regions and the occurrence of rabies i...
A study of fox rabies in a country gave the following information about different regions and the occurrence of rabies in each region. A random sample of n1 = 16 locations in region I gave the following information about the number of cases of fox rabies near that location. x1: Region I Data 2 9 9 9 6 8 8 1 3 3 3 2 5 1 4 6 A second random sample of n2 = 15 locations in...
1. If a two-person household moves from Miami to Atlanta, which of the following can describe...
1. If a two-person household moves from Miami to Atlanta, which of the following can describe the household? A. Both members of the households are tied movers. B. One member of the household is a tied stayer. C. One member of the household is a tied mover while the other is a tied stayer. D. Neither member of the household is a tied mover. E. Neither member of the household is a tied stayer. 2. A couple is considering moving...
Unit 6 Lesson 3 Classwork (Adapted from Math Vision Project) Data Distribution A lot of information...
Unit 6 Lesson 3 Classwork (Adapted from Math Vision Project) Data Distribution A lot of information can be obtained from looking at data plots and their distributions. It is important when describing data that we use context to communicate the shape, center, and spread. Shape and spread: Modes: uniform (evenly spread- no obvious mode), unimodal (one main peak), bimodal (two main peaks), or multimodal (multiple locations where the data is relatively higher than others). Skewed distribution: when most data is...
Please answer each of the following letters: A) Make a stemplot of the data. B) Describe...
Please answer each of the following letters:
A) Make a stemplot of the data.
B) Describe the distribution that you see
C) Find the mean growth rate. Do you think the mean gives good
description of the data? Explain
D) Find the median growth rate. Do you think the median gives
good description of the data? Explain
E) Find the standard deviation. Do you think the standard
deviation gives good description of the data? Explain
F) Propose ways to give...
Unit 6 Lesson 3 Classwork (Adapted from Math Vision Project) Data Distribution A lot of information...
Unit 6 Lesson 3 Classwork (Adapted from Math Vision Project) Data Distribution A lot of information can be obtained from looking at data plots and their distributions. It is important when describing data that we use context to communicate the shape, center, and spread. Shape and spread: Modes: uniform (evenly spread- no obvious mode), unimodal (one main peak), bimodal (two main peaks), or multimodal (multiple locations where the data is relatively higher than others). Skewed distribution: when most data is...
The relative frequency table below displays the distribution of annual total household income for a representative sample of 119,730,128 households. This data is from the 2018 American Community Survey. Less than $10,000 6.3% $10,000 to $14,999 4.6% $15,000 to $24,999 9.3% $25,000 to $34,999 9.3% $35,000 to $49,999 12.6% $50,000 to $74,999 17.5% $75,000 to $99,999 12.5% $100,000 to $149,999 14.6% $150,000 to $199,999 6.3% $200,000 or more 7.0% a) What is the probability that a random American household makes...
4. The following income distribution data are for a hypothetical developing country. (20 points) Ọuintile Lowest 20% Second quintile Third Fourth quintile Highest 20% Highest 10% Percent Share 2.4% 5.7% 10.7% 18.6% 62.6% 46.2% quintile a) Carefully graph the Lorenz curve, labeling the axes. (5 points) b) This country's national income is about $300 billion. What is the dollar income of the bottom 20 percent? Bottom 40 percent? (5 points) c) Using the same income data specified in (ii), assume...
35. Median Income The following table gives the median household income, meaning that half the households in the United States earned less than that amount and half the house- holds earned more than that amount (see Chapter 10), for vari- ous years. (Data from: U.S. Census Bureau.) le uloa 2014 2015 2010 2005 Year $53,657 $56,516 $46,326 $49,276 Household Income (a) Use the data from the years 2005 and 2010 to find a linear model for these data, with x...
Unit 6 Lesson 3 Classwork (Adapted from Math Vision Project) Data Distribution A lot of information can be obtained from looking at data plots and their distributions. It is important when describing data that we use context to communicate the shape, center, and spread. Shape and spread: Modes: uniform (evenly spread- no obvious mode), unimodal (one main peak), bimodal (two main peaks), or multimodal (multiple locations where the data is relatively higher than others). Skewed distribution: when most data is...
Please answer each of the following letters:
A) Make a stemplot of the data.
B) Describe the distribution that you see
C) Find the mean growth rate. Do you think the mean gives good
description of the data? Explain
D) Find the median growth rate. Do you think the median gives
good description of the data? Explain
E) Find the standard deviation. Do you think the standard
deviation gives good description of the data? Explain
F) Propose ways to give...
Unit 6 Lesson 3 Classwork (Adapted from Math Vision Project) Data Distribution A lot of information can be obtained from looking at data plots and their distributions. It is important when describing data that we use context to communicate the shape, center, and spread. Shape and spread: Modes: uniform (evenly spread- no obvious mode), unimodal (one main peak), bimodal (two main peaks), or multimodal (multiple locations where the data is relatively higher than others). Skewed distribution: when most data is...
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