Question

In: Statistics and Probability

Recently, six single-family homes in San Luis Obispo County in California sold at the following prices...

Recently, six single-family homes in San Luis Obispo County in California sold at the following prices (in $1,000s): 633, 732, 738, 627, 804, 630. [You may find it useful to reference the t table.]

a. Construct the 90% confidence interval for the mean sale price in San Luis Obispo County. (Round intermediate calculations to at least 4 decimal places, "sample mean" and "sample standard deviation" to 2 decimal places. Round "t" value to 3 decimal places and final answers to 2 decimal places.)

b. What assumption have you made when constructing this confidence interval?

  • Single family homes in San Luis Obispo follow a normal distribution.

  • Single family homes in San Luis Obispo need not follow a normal distribution.

Solutions

Expert Solution


Related Solutions

House prices: The following table presents prices, in thousands of dollars, of single-family homes for 20...
House prices: The following table presents prices, in thousands of dollars, of single-family homes for 20 of the 25 largest metropolitan areas in the United States for the third quarter of 2012 and the third quarter of 2013. Metro Area 2012 2013 Metro Area 2012 2013 Atlanta, GA 87.8 115.1 Philadelphia, PA 193.5 197.7 Baltimore, MD 218.1 226.5 Phoenix, AZ 129.9 169.0 Boston, MA 311.5 332.2 Portland, OR 208.6 246.5 Chicago, IL 157.2 159.4 Riverside, CA 174.3 216.7 Cincinnati, OH...
A sample of 30 recently sold single-family houses in a small city is selected. Develop a...
A sample of 30 recently sold single-family houses in a small city is selected. Develop a model to predict the selling price (in thousands of dollars), using the assessed value (in thousands of dollars) as well as time (in months since reassessment). The houses in the city had been reassessed at full value one year prior to the study. The results are stored in House1.xls. a. State the multiple regression equation. b. Interpret the meaning of the slopes in this...
Nine homes recently sold in your community in the following order and for these amounts: $360,000;...
Nine homes recently sold in your community in the following order and for these amounts: $360,000; $460,000; $360,000; $380,000; $360,000; $420,000; $380,000; $520,000; and $360,000. Your boss, Andrew Santoso, a realtor with Hagen & Associates, wants you to compute the mean, median, and mode for this real estate market. Compute the mean, median, and mode for the recently sold homes. Explain your analysis as well as the characteristics of each type of “average.”
GeoPetro is independent oil and natural gas Company with headquarters in San Francisco, California. It recently...
GeoPetro is independent oil and natural gas Company with headquarters in San Francisco, California. It recently received an audit opinion that expressed a going concern paragraph. The following is an excerpt from GeoPetro’s 2012 report: The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 2 to the consolidated financial statements, the Company has incurred recurring net losses that have resulted in an accumulated deficit of $49.7 million...
GeoPetro is independent oil and natural gas Company with headquarters in San Francisco, California. It recently...
GeoPetro is independent oil and natural gas Company with headquarters in San Francisco, California. It recently received an audit opinion that expressed a going concern paragraph. The following is an excerpt from GeoPetro’s 2012 report: The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 2 to the consolidated financial statements, the Company has incurred recurring net losses that have resulted in an accumulated deficit of $49.7 million...
GeoPetro is independent oil and natural gas Company with headquarters in San Francisco, California. It recently...
GeoPetro is independent oil and natural gas Company with headquarters in San Francisco, California. It recently received an audit opinion that expressed a going concern paragraph. The following is an excerpt from GeoPetro’s 2012 report: The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 2 to the consolidated financial statements, the Company has incurred recurring net losses that have resulted in an accumulated deficit of $49.7 million...
The data is the square footage and selling price of single-family homes for the month of...
The data is the square footage and selling price of single-family homes for the month of February and the first week of March. Square Footage Selling Price 1746 129320 1764 97000 676 35000 2788 400000 1944 68000 1960 117000 1056 148400 1564 35000 1100 165000 1120 114480 4080 175000 1442 65000 1937 60000 1900 18000 1150 258000 1650 134800 1953 30000 2424 69100 512 63000 1540 82500 1200 50000 1316 37500 1840 69000 3500 270000 5000 485000 1564 27000 1018...
for a sample of 22 recently sold homes in a large city of correlation between the...
for a sample of 22 recently sold homes in a large city of correlation between the square footage of a house and is selling price house was found to be r = 0.62 a) describe a selling price will generally change as the square footage increases b) assuming there is no outliers in a relationship is linear find R squared and interpret this in context c) his home area was measured in square meters instead of square feet what would...
Stater Sisters, a privately held supermarket chain, based in San Bernardino, California, has recently started a...
Stater Sisters, a privately held supermarket chain, based in San Bernardino, California, has recently started a fresh produce club to provide support to local chains and to promote the benefits of buying locally grown food. Families pay a seasonal membership fee of $100 and place their orders a week in advance for a price of $40 per order. In turn, Stater Sisters delivers fresh-picked seasonal local produce to several neighborhood distribution points. Five hundred families joined the club for the...
ABC inc builds and sells single-family homes. the company had the following transactions during q1 2016...
ABC inc builds and sells single-family homes. the company had the following transactions during q1 2016 period that ended on march 31, 2016: 1. purchased a single-family home on january 10, 2016 which it plans to renovate and resell. the home was purchased for $200,000 with $150,000 paid in cash and the remainder to be paid upon sale of the property. 2. Purchased $10,000 worth of building materials at home depot used in the renovation. The purchased was paid in...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT