Discuss this chart Average Household Expenditures by Major Category195020103.3% 4.4%6.6%19.2%22.0%2.4%11.2%14.0%72.1%6.3%34.0%4.5%I Housing Food Health care Education Transportation Other

Solution : Given : Average household expenditure by major categories in the years 1950 and 2010.…

Answered: Average Household Expenditures by Major…

Average Household Expenditures by Major Category 1950 2010 4.4% 3.3% 6.6% 19.2% 22.0% 2.4% 11.2% 14.0% 72.1% 6.3% 34.0% 4.5% I Housing Food Health care Education Transportation Other

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section11.4: Two-ways Tables

Problem 19E

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Imagine that you are planning an impact evaluation for a microfinance program for poor, rural farmers. The program provides microloans to farmers to enable them to buy fertilizer to increase their rice production. Your team is interested in examining the effects of the program on rice yield (as measured in pounds of rice per acre). When brainstorming possible designs, a member of your evaluation team suggests that you compare participating farmers’ rice yield a year before program launch to participating farmers’ rice yield a year after the program is launched. Question 5 Question text Which threats to internal validity are relevant in this proposed design? Describe at least two different threats to internal validity and discuss how they could bias program effect estimates. Be specific to the program described above.
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A manufacturing company is analyzing its accident record. The accidents fall into two categories: Minor—dealt with by first aider: Average cost k50 Major—hospital required. Average cost k1,000The company has 1,000 employees, of which 180 are office staff and the rest work in the factory.The analysis shows that 10% of employees have an accident each year and 20% of accidents are major. It is assumed that an employee has more than one accident in a year.(i) Determine the expected total cost of accidents in a year. On further analysis it is discovered that a member of office staff has half the probability of having an accident relative those in the factory. (ii)Show that the probability that a given a member of office staff has an accident in a year is 0.0549.(iii) Determine the probability that a randomly chosen employee who has had an accident is office staff.
A manufacturing company is analyzing its accident record. The accidents fall into two categories:  Minor—dealt with by first aider: Average cost k50  Major—hospital required. Average cost k1,000 The company has 1,000 employees, of which 180 are office staff and the rest work in the factory. The analysis shows that 10% of employees have an accident each year and 20% of accidents are major. It is assumed that an employee has more than one accident in a year. (i) Determine the expected total cost of accidents in a year. [] On further analysis it is discovered that a member of office staff has half the probability of having an accident relative those in the factory. (ii) Show that the probability that a given a member of office staff has an accident in a year is 0.0549. (iii) Determine the probability that a randomly chosen employee who has had an accident is office staff.
A restaurant chain specializing in ice cream deserts contacted you to characterize the market for new franchise locations in Upstate NY. The firm is located in the Southwestern US, and has excellent experience there. However, they are opening a few test locations in Buffalo, Syracuse and Albany in the very near future, and have hired you, an Upstate NY statistical consultant, to collect and analyze the results. These restaurants follow a standard blueprint for design, operation, and location. They run a 2,150 sq foot facility in wealthier suburban areas, and usually locate in new plazas near other specialty restaurants that tend not to compete with them (Starbucks, Panera, Fridays, and similar restaurants.) Existing Southwestern locations take in an average of $82,000 a week in sales, with a highly reliable standard deviation of $5,200. Before deciding on their regional distribution strategy, the firm is opening three test restaurants, one in each city. They want you to examine the…
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A country club wants to exam the effects of a new marketing campaign that attempts to get more people within the community to become members. In many communities, when people buy a house in the area, they receive a “Welcome Wagon” gift basket containing coupons to local restaurants. The idea of the marketing campaign is to include a free two month membership to the country club in the gift basket with the hope that once “new” residents try the country club then at least a certain proportion will want to become real members. One member of the Club’s Executive Council believes that at least 79% of the people who receive the coupons for the free membership will use the coupon. In a sample of 204 new residents who received the coupon for the two month free membership, there were 144 people who actually took advantage of the free two month membership. When testing the hypothesis that at least 79% of the people that receive the coupon actually use it, what is the test statistic? (please…
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