ELEMENTARY STATISTICS: STEP BY STEP- ALE
10th Edition
ISBN: 9781266422362
Author: Bluman
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Textbook Question
Chapter 3.2, Problem 10E
Size of U.S. States The total surface area (in square miles) for each of six selected eastern states is listed here.
28,995 | PA |
37,534 | FL |
31,361 | NY |
27,087 | VA |
20,966 | ME |
37,741 | GA |
The total surface area for each of six selected western states is listed (in square miles).
72,964 | AZ |
70,763 | NV |
101,510 | CA |
62,161 | OR |
66,625 | CO |
54,339 | UT |
Find the standard deviation for each data set. Which set is more variable?
Source: New York Times Almanac.
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Chapter 3 Solutions
ELEMENTARY STATISTICS: STEP BY STEP- ALE
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Ch. 3.1 - Foreign Workers The number of foreign workers...Ch. 3.1 - Distances of Stars Of the 25 brightest stars, the...Ch. 3.1 - Contest Spelling Words The last words given and...Ch. 3.1 - Wind Speeds The data show the maximum wind speeds...Ch. 3.1 - Hourly Compensation for Production Workers The...Ch. 3.1 - Points in Rose Bowl Games The data show the number...Ch. 3.1 - Percentage of Foreign-Born People The percentage...Ch. 3.1 - Percentage of College-Educated Population over 25...Ch. 3.1 - Net Worth of Corporations These data represent the...Ch. 3.1 - Specialty Coffee Shops A random sample of 30...Ch. 3.1 - Commissions Earned This frequency distribution...Ch. 3.1 - Children of U.S. Presidents The data show the...Ch. 3.1 - Enrollments for Selected Independent Religiously...Ch. 3.1 - Automobile Selling Prices Find the weighted mean...Ch. 3.1 - Fat Grams Using the weighted mean, find the...Ch. 3.1 - Diet Cola Preference A recent survey of a new diet...Ch. 3.1 - Costs of Helicopters The costs of three models of...Ch. 3.1 - Final Grade An instructor grades exams, 20%; term...Ch. 3.1 - Final Grade Another instructor gives four 1-hour...Ch. 3.1 - For these situations, state which measure of...Ch. 3.1 - Describe which measure of central tendencymean,...Ch. 3.1 - What types of symbols are used to represent sample...Ch. 3.1 - A local fast-food company claims that the average...Ch. 3.1 - If the mean of five values is 64, find the sum of...Ch. 3.1 - If the mean of five values is 8.2 and four of the...Ch. 3.1 - Find the mean of 10, 20, 30, 40, and 50. a. 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Systolic Blood Pressure...Ch. 3 - SAT Scores The mean SAT math scores for selected...Ch. 3 - Households of Four Television Networks A survey...Ch. 3 - Investment Earnings An investor calculated these...Ch. 3 - Confirmed Measles Cases The data show a sample of...Ch. 3 - Tallest Buildings The number of stories in the 13...Ch. 3 - Rise in Tides Shown here is a frequency...Ch. 3 - Fuel Capacity The fuel capacity in gallons for...Ch. 3 - If the range of a data set is 24, find the...Ch. 3 - If the range of a data set is 56, find the...Ch. 3 - Textbooks in Professors Offices If the average...Ch. 3 - Magazines in Bookstores A survey of bookstores...Ch. 3 - Cost of Car Rentals A survey of car rental...Ch. 3 - AID: 1825 | 28/05/2018 16. 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