Because of uncertainty in real estate markets, many homeowners are considering remodeling and constructing additions rather than selling, probably the most expensive room in the house to remodel is the kitchen, with an average cost of about $23,400. In terms of resale value, is remodeling the kitchen worth the cost? The following cost and resale figures are published by remodeling magazine for 11 cities. Assume the differences are normally distributed in the population.    City Cost Resale Atlanta $20427 $25163 Boston $27255 $24625 Des Moines $22115 $12600 Kansas City $23256 $24588 Louisville $21877 $19267 Portland $24255 $20150 Raleigh $19852 $22500 Reno $23624 $16667 Ridgewood $25885 $26875 San Francisco $28999 $35333 Tulsa $20836 $16292   Requirements: Use the above data to construct a 99% confidence interval for the difference between cost and added resale value of kitchen remodeling.  At 1% level of significance, is there evidence that the difference between cost and added resale value of kitchen remodeling exist?     Which test statistics is applicable in this case and why?

You are working with a neighborhood committee to apply for a grant to buy new playground equipment for alocal park. According to the data from the 2010 census, 27 households in the neighborhood have children and 18households do not have children. What is the percentage of families in the neighborhood that have children?  Note:  This is a part to whole ratio.

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Option 1: Inyestigate salaries in a career that you choose in cities across the country. Use the table to help organize your information. • Choose 5 cities in the United States. • Choose a career you would like to investigate. Find the average salary for the career you are investigating for each of those cities. o Include a link to the sources of your information. • Find a way to compare the cost of living in each of those cities. You can use CPI numbers like you did in Lesson 5B (this link may help: https://www.bls.gov/regions/subjects/consumer-price- indexes.htm) or other sources to find the cost of a "basket of goods" that is relevant to your search. o Include links to the sources of your information. Based on your findings, compare and contrast the value of the salary in each city. o You may want to use a table or spreadsheet like you did in lessons 5A or 5B. Include this in your submission. • Why do you think the value of the salary paid for the same career may be different in…