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The May 1, 2009, issue of a certain publication reported the following home sale amounts for a sample of homes in Alameda, CA that were sold the previous month (1,000s of $). 592 816 573 606 346 1,283 413 540 551 675 A USE SALT (a) Calculate and interpret the sample mean and median. The sample mean is x = --Select- v price, while half were more than the -Select-- v price. thousand dollars and the sample median is i = thousand dollars. This means that the average sale price for a home in this sample was s and that half the sales were for less than the (b) Suppose the 6th observation had been 985 rather than 1,283. How would the mean and median change? O Changing that one value raises the sample mean but has no effect on the sample median. O Changing that one value has no effect on either the sample mean nor the sample median. O Changing that one value has no effect on the sample mean but raises the sample median. O Changing that one value has no effect on the sample mean but lowers the sample median. O Changing that one value lowers the sample mean but has no effect on the sample median. (c) Calculate a 20% trimmed mean by first trimming the two smallest and two largest observations. (Round your answer to the nearest hundred dollars.) (d) Calculate a 15% trimmed mean. (Round your answer to the nearest hundred dollars.)

The May 1, 2009, issue of a certain publication reported the following home sale amounts for a sample of homes in Alameda, CA that were sold the previous month (1,000s of $). 592 816 573 606 346 1,283 413 540 551 675 A USE SALT (a) Calculate and interpret the sample mean and median. The sample mean is x = --Select- v price, while half were more than the -Select-- v price. thousand dollars and the sample median is i = thousand dollars. This means that the average sale price for a home in this sample was s and that half the sales were for less than the (b) Suppose the 6th observation had been 985 rather than 1,283. How would the mean and median change? O Changing that one value raises the sample mean but has no effect on the sample median. O Changing that one value has no effect on either the sample mean nor the sample median. O Changing that one value has no effect on the sample mean but raises the sample median. O Changing that one value has no effect on the sample mean but lowers the sample median. O Changing that one value lowers the sample mean but has no effect on the sample median. (c) Calculate a 20% trimmed mean by first trimming the two smallest and two largest observations. (Round your answer to the nearest hundred dollars.) (d) Calculate a 15% trimmed mean. (Round your answer to the nearest hundred dollars.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The May 1, 2009, issue of a certain publication reported the following home sale amounts for a sample of homes in Alameda, CA that were sold the previous month (1,000s of $). 592 816 573 606 346 1,283 413 540 551 675 A USE SALT (a) Calculate and interpret the sample mean and median. The sample mean is x = ---Select-- v price, while half were more than the --Select--- v price. thousand dollars and the sample median is i = thousand dollars. This means that the average sale price for a home in this sample was $ and that half the sales were for less than the (b) Suppose the 6th observation had been 985 rather than 1,283. How would the mean and median change? O Changing that one value raises the sample mean but has no effect on the sample median. O Changing that one value has no effect on either the sample mean nor the sample median. O Changing that one value has no effect on the sample mean but raises the sample median. O Changing that one value has no effect on the sample mean but lowers the sample median. O Changing that one value lowers the sample mean but has no effect on the sample median. (c) Calculate a 20% trimmed mean by first trimming the two smallest and two largest observations. (Round your answer to the nearest hundred dollars.) (d) Calculate a 15% trimmed mean. (Round your answer to the nearest hundred dollars.)
Transcribed Image Text:The May 1, 2009, issue of a certain publication reported the following home sale amounts for a sample of homes in Alameda, CA that were sold the previous month (1,000s of $). 592 816 573 606 346 1,283 413 540 551 675 A USE SALT (a) Calculate and interpret the sample mean and median. The sample mean is x = ---Select-- v price, while half were more than the --Select--- v price. thousand dollars and the sample median is i = thousand dollars. This means that the average sale price for a home in this sample was $ and that half the sales were for less than the (b) Suppose the 6th observation had been 985 rather than 1,283. How would the mean and median change? O Changing that one value raises the sample mean but has no effect on the sample median. O Changing that one value has no effect on either the sample mean nor the sample median. O Changing that one value has no effect on the sample mean but raises the sample median. O Changing that one value has no effect on the sample mean but lowers the sample median. O Changing that one value lowers the sample mean but has no effect on the sample median. (c) Calculate a 20% trimmed mean by first trimming the two smallest and two largest observations. (Round your answer to the nearest hundred dollars.) (d) Calculate a 15% trimmed mean. (Round your answer to the nearest hundred dollars.)
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