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Chapter 5 Real World Word Problems 1. In July, a local Remax Office sold 10 homes at the following prices: $140,000; $180,000; $90,000; $98,000; $185,000; $150,000; $108,000; $114,000; $142,000; and $250,000. Calculate the mean and median. 2. Sears Hardware Store counted the number of customers entering the store for a week. The results were 1,800; 650; 1,800; 1,700; 880; 920; and 1,210. What is the mode? 3. This semester Lee Win took four 3-credit courses at North Shore Community College. She received a B in accounting and C's in history, psychology, and algebra. What is her cumulative grade- point average (assume A = 4 and C =2) to the nearest hundredth? 4. Lee's Sub Shop reported the following sales for the first 20 days of June. $700 $100 $600 $400 $600 300 600 300 500 700 200 600 200 500 200 100 600 100 700 700 Prepare a frequency distribution for Lee. 5. The Los Angeles Times reported on the market share of record companies. The latest weekly market shares are based on current albums sold. This is an indicator of music-company performance. Market shares were: Universal, 31.4%; WEA, 18.2%; Sony, 15.0%; BMG, 12.0%; EMD, 8.2%; and others, 15.2%. From this information, construct a circle graph of these market shares. 6. What are the mean and mode for the following airlines? Airline Price Airline Price America West $161 Alaska Air $279 Continental 199 Southwest 116
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Chapter 5Real World Word Problems
1. In July, a local Remax Office sold 10 homes at the following prices: $140,000; $180,000; $90,000; $98,000; $185,000; $150,000; $108,000; $114,000; $142,000; and $250,000. Calculate the mean and median.
2. Sears Hardware Store counted the number of customers entering the store for a week. The results were 1,800; 650; 1,800; 1,700; 880; 920; and 1,210. What is the mode?
3. This semester Lee Win took four 3-credit courses at North Shore Community College. She received a B in accounting and C's in history, psychology, and algebra. What is her cumulative grade-point average (assume A = 4 and C =2) to the nearest hundredth?
4. Lee's Sub Shop reported the following sales for the first 20 days of June.
$700 $100 $600 $400 $600 300 600 300 500 700 200 600 200 500 200 100 600 100 700 700
Prepare a frequency distribution for Lee.
5. The Los Angeles Times reported on the market share of record companies. The latest weekly market shares are based on current albums sold. This is an indicator of music-company performance. Market shares were: Universal, 31.4%; WEA, 18.2%; Sony, 15.0%; BMG, 12.0%; EMD, 8.2%; and others, 15.2%. From this information, construct a circle graph of these market shares.
6. What are the mean and mode for the following airlines? Airline Price Airline PriceAmerica West $161 Alaska Air $279Continental 199 Southwest 116American 214 TWA 193US Airways 214 Northwest 203United 258
7. What is the median energy cost of the following refrigerators?
Energy costBrand and model (per year)Whirlpool $78Kenmore 84GE Profile 84GE TBX18ZAX 70Frigidaire 74
8. Your Money reported on the value of a $1,000 investment made 1 year ago.
How theInvestments
Investment faredBlue-chip stocks $1,381.00Growth mutual funds 1,362.20Small-company stocks 1,279.50International funds 1,222.80Long-term treasury bonds 1,125.90High-quality corporate bonds 1,105.70One-year CD 1,051.20
What was the mean of how these stocks fared? Round to the nearest hundredth.
9. Advertising Age reported on the top 10 multichannel Internet retailers ranked by visitors. From the following information , find the mean and median visits:
1. ticketmaster.com 4,824,000 6. hp.com 3,347,000 2. barnesandnoble.com 4,509,000 7. mcafee.com 3,331,000 3. dell.com 4,050,000 8. intuit.com 2,993,000 4. hallmark.com 3,683,000 9. sears.com 2,959,000 5. apple.com 3,588,000 10. bluelight.com 2,823,000
10. Industry Week/IW reported on the latest yields. United States interest rates were compared to European Union rates. From the following information, prepare a line graph comparing the United States and European Union:
Latest 3 months ago 6 months ago 12 months ago USA 6.59% 6.75% 6.50% 6.20% European Union 5.56 5.30 5.40 5.50
