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LESSON 9-1 Measures of Center and Spread Practice and Problem Solving: C The data sets below show the price that a homeowner paid, per therm, for natural gas during each of the first ten months of 2011 and 2012. Use the data for 1-4. 2011: $1.59, $1.72, $1.71, $1.86, $2.32, $2.54, $2.45, $2.80, $2.38, $2.25 2012: $1.57, $1.61, $1.96, $1.71, $1.98, $2.17, $2.51, $2.44, $2.52, $2.10 1. Find the mean, median, range, and interquartile range for 2011. 2. Find the mean, median, range, and interquartile range for 2012. 3. Find the standard deviation for each year. Round to the nearest hundredth.

LESSON 9-1 Measures of Center and Spread Practice and Problem Solving: C The data sets below show the price that a homeowner paid, per therm, for natural gas during each of the first ten months of 2011 and 2012. Use the data for 1-4. 2011: $1.59, $1.72, $1.71, $1.86, $2.32, $2.54, $2.45, $2.80, $2.38, $2.25 2012: $1.57, $1.61, $1.96, $1.71, $1.98, $2.17, $2.51, $2.44, $2.52, $2.10 1. Find the mean, median, range, and interquartile range for 2011. 2. Find the mean, median, range, and interquartile range for 2012. 3. Find the standard deviation for each year. Round to the nearest hundredth.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Name LESSON 9-1 Date Measures of Center and Spread Practice and Problem Solving: C The data sets below show the price that a homeowner paid, per therm, for natural gas during each of the first ten months of 2011 and 2012. Use the data for 1-4. 2011: $1.59, $1.72, $1.71, $1.86, $2.32, $2.54, $2.45, $2.80, $2.38, $2.25 2012: $1.57, $1.61, $1.96, $1.71, $1.98, $2.17, $2.51, $2.44, $2.52, $2.10 1. Find the mean, median, range, and interquartile range for 2011. 2. Find the mean, median, range, and interquartile range for 2012. 3. Find the standard deviation for each year. Round to the nearest hundredth. 4. Use your statistics to compare the overall trend in prices for the two years. 6. A. B. an Solve. 5. To earn an exemption from the final exam, Aaron needs his mean test score to be 92 or greater. If Aaron scored 90, 96, 87, and 90 on the first four tests and he has one test still to take, what is the lowest he can score and still earn an exemption? Class 1 me B
Transcribed Image Text:Name LESSON 9-1 Date Measures of Center and Spread Practice and Problem Solving: C The data sets below show the price that a homeowner paid, per therm, for natural gas during each of the first ten months of 2011 and 2012. Use the data for 1-4. 2011: $1.59, $1.72, $1.71, $1.86, $2.32, $2.54, $2.45, $2.80, $2.38, $2.25 2012: $1.57, $1.61, $1.96, $1.71, $1.98, $2.17, $2.51, $2.44, $2.52, $2.10 1. Find the mean, median, range, and interquartile range for 2011. 2. Find the mean, median, range, and interquartile range for 2012. 3. Find the standard deviation for each year. Round to the nearest hundredth. 4. Use your statistics to compare the overall trend in prices for the two years. 6. A. B. an Solve. 5. To earn an exemption from the final exam, Aaron needs his mean test score to be 92 or greater. If Aaron scored 90, 96, 87, and 90 on the first four tests and he has one test still to take, what is the lowest he can score and still earn an exemption? Class 1 me B
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