6. The US Community Survey is an ongoing survey that provides data every year to givecommunities the current information they need to plan investments and services. The2010 US Community Survey estimates that 14.6% of Americans live below the povertyline, 20.7% speak a language other than English (foreign language) at home, and 4.2%fall into both categories. (SHOW WORK,a) Are living below the poverty line and speaking a foreign language at home mutuallyexclusive events?b)Draw a Venn diagram summarizing the variables and their associated probabilities.c) What percent of Americans live below the poverty line and only speak English athome?d) What percent of Americans live below the poverty line or speak a foreign language athome?e) What percent of Americans live above the poverty line and only speak English athome?f)Is the event that someone lives below the poverty line independent of the event thatthe person speaks a foreign language at home?

The 2010 US Community Survey estimates that14.6% of Americans live below the poverty line.20.7%…

Answered: 6. The US Community Survey is an…

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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The following table shows the cross-classification of accounting practices (either straight line, declining balance, or both) and country (either France, Germany, or United Kingdom). France Germany United Kingdom Straight Line 20 11 30 Declining Balance 14 16 15 Both 15 23 13 Set up the competing hypotheses to determine if accounting practice and country are dependent. What is the degrees of freedom for the test. Calculate the value of the test statistic (Square of x).
In each scenario, identify the population, the sample, and any population parameters or sample statistics that are given. US realtors across the country are encouraged by the latest reports on the real estate market. Considering seasonal factors, sales rose by nearly 9% in the West, 3.5% in the South, 3.4% in the northeast, and 1% in the Midwest.
4. A college student is contemplating a possible career option. One factor that will influence his decision is the amount of money he is likely to make. He decides to look up the average salary of graduates in that profession. Which information would be more useful to him, the mean salary or the median salary? Why?
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Bullying,” according to noted expert Dan Olweus, “poisons the educational environment and affects the learning of every child.” Bullying and victimization are evident as early as preschool, with the problem peaking in middle school. Suppose you are interested in the emotional well-being of not only the victims but also bystanders, bullies, and those who bully but who are also victims (bully-victims). You decide to measure anxiety in a group of bullies and a group of victims using an 18-item, 5-point anxiety scale. Assume scores on the anxiety scale are normally distributed and that the variances of the anxiety scores are the same among bullies and victims. The group of 23 bullies scored an average of 40.1 with a sample standard deviation of 10 on the anxiety scale. The group of 28 victims scored an average of 46.8 with a sample standard deviation of 11 on the same scale. You do not have any presupposed assumptions about whether bullies or victims will be more anxious, so you formulate…
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Chapter 5 In preparation for your discussion post, complete the following: • Research data on the U.S. uninsured population (https://aspe.hhs.gov/sites/default/files/private/pdf/265041/trends-in-the-us- uninsured.pdf B). • Choose one condition for your discussion post about an uninsured group. (For example, In 2019, 22% of Latine individuals under age 65 were uninsured, Figure 4 p.6). For your discussion board post include all of the following: 1. Suppose six individuals, within your criteria, are randomly selected. Show or explain your thinking for each problem. (Note: This is a binomial probability from Section 5.2, they either have insurance or they do not.) A. Let having insurance be a success. State the values of your p, q, and n for your chosen condition. Explain your thinking. (For my example, if 22% do not have insurance, then that is my q (failure) value, my p=0.78, q=0.22, n-6 (6 individuals are randomly selected in this problem). B. Use excel or a T184 to determine the…
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What is the age distribution of promotion-sensitive shoppers? A supermarket super shopper is defined as a shopper for whom at least 70% of the items purchased were on sale or purchased with a coupon.Age range, years 18-28 29-39 40-50 51-61 62 and overMidpoint x 23 34 45 56 67Percent of super shoppers 6% 47% 25% 11% 11%For the 62-and-over group, use the midpoint 67 years. (a) Compute the expected age μ of a super shopper. (Round your answer to two decimal places.)μ = (b) Compute the standard deviation σ for ages of super shoppers. (Round your answer to two decimal places.) σ=

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