Try your hand at spotting misleading numbers. Most of these are from real articles. Try to...

 

 

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Try your hand at spotting misleading numbers. Most of these are from real articles. Try to either a) locate the misleading information or b) note what information would be needed to determine if the numbers make sense. 1. (David Horowitz) "Teachers, despite widespread myth are overpaid and underworked. They are not required to be at their job more than 6 hours and 20 minutes a day. When you add to that teachers only work nine months out of the year, and then calculate teachers pay on the basis of the eight-hour day and 11 and a half-month year that the rest of us work, the pay for a seventh-grade teacher in New York City is between $60 and $70 an hour. This amounts to an average salary of well over $100,000 a year." 2. (Study by the Transactional Records access Clearinghouse, a non-profit group affiliated with Syraccial University) "Northern California is nearly last in the nation for U.S. drug cases. Out of 90 U.S. judicial districts, Northern California ranked 82nd in the number of drug prosecutions from 1993-1995." 3. (U.S. News and World Report) In February 2001, they published this list implying that United, American, and Delta were the worst airlines. of We need the rate Complaints because the counts do not tell the whole story. customer Most complaints, Nov. 00 United Airlines 252 American Airlines 162 Delta Air Lines Fewest Alaska Airlines Southwest Airlines Continental Airlines 119 13 22 60 4. (National Resources Defense Council) "A well-run curbside recycling program can cost anywhere from $50 to more than $150 per ton of materials collected. Typical trash collection and disposal programs, the other hand, cost anywhere from $70 to more than $200 per ton. STAT 193 5. (Chicago Sun Times) What is wrong in this article? Find 2 statistical errors involving numbers. CHICAGO SUN-TIMES, THURSDAY, MARCH 21, 1904 RICH CHAPMANGUR TIMES Deputy Fire Commisioner John Ormond (from left), Walgreens district manager Kermit Crawford, Fire Commissioner Raymond Orozco and Deputy District Chief John Schneidwind announce Wednesday that Walgreens is donating 1,000 smoke detectors for areas plagued by fires. Walgreens Donates Smoke Alarms By Phillip J. O'Connor StWriser Eighteen people have been killed in Chicago fires so far in March and there were either not moke detectors or non-working detectors in all of them. Fire Cindr. Raymond E. Orozco suid Wednesday So far in 1904, there have been 38 fire deaths--one more than during the comparable period last year and in 29 or them there were either no smoke detectors or non-working detectors, Orozen said. The March toll included three recent fires that killed a total of 13 people, he said. Orozeo cited the statistics at a news confer nee at which he an rodneed Walgreens Drug Stores has donated 1000 smoke detectors to the Fire Department, which will distribute them in areas where fire deaths have occurred. Orezca plans to have members of fire companies that actually fought the deadly blases go door- to-door and distribute them to citizens whose homes are not pro- tected by detectors "Smoke detectors save lives Orcaco said. He urged residents to check batteries in their home smoke detectors over Easter week- end when they change clocks to Chicago is on pace for more than 150 fire-related deaths in 1994. Annual fire deaths in Chicago: ARBEHOO FIRE DEATHS 1090 1991 119 GUST 104 daylight savings time, which be gins early Sunday. He also urged citizens to help prevent injury and death by de- veloping a home escape plan in the event of a fire and to practice good fire safety. "A fire, prevent- ed, cannot hurt anybody," he said. 38 556696 1992 1993 1994 Includes 20 people killed in Paxton Hotel fire. Through March 29 JACK JORDAN SUN-TIMES Try your hand at spotting misleading numbers. Most of these are from real articles. Try to either a) locate the misleading information or b) note what information would be needed to determine if the numbers make sense. 1. (David Horowitz) "Teachers, despite widespread myth are overpaid and underworked. They are not required to be at their job more than 6 hours and 20 minutes a day. When you add to that teachers only work nine months out of the year, and then calculate teachers pay on the basis of the eight-hour day and 11 and a half-month year that the rest of us work, the pay for a seventh-grade teacher in New York City is between $60 and $70 an hour. This amounts to an average salary of well over $100,000 a year." 2. (Study by the Transactional Records access Clearinghouse, a non-profit group affiliated with Syraccial University) "Northern California is nearly last in the nation for U.S. drug cases. Out of 90 U.S. judicial districts, Northern California ranked 82nd in the number of drug prosecutions from 1993-1995." 3. (U.S. News and World Report) In February 2001, they published this list implying that United, American, and Delta were the worst airlines. of We need the rate Complaints because the counts do not tell the whole story. customer Most complaints, Nov. 00 United Airlines 252 American Airlines 162 Delta Air Lines Fewest Alaska Airlines Southwest Airlines Continental Airlines 119 13 22 60 4. (National Resources Defense Council) "A well-run curbside recycling program can cost anywhere from $50 to more than $150 per ton of materials collected. Typical trash collection and disposal programs, the other hand, cost anywhere from $70 to more than $200 per ton. STAT 193 5. (Chicago Sun Times) What is wrong in this article? Find 2 statistical errors involving numbers. CHICAGO SUN-TIMES, THURSDAY, MARCH 21, 1904 RICH CHAPMANGUR TIMES Deputy Fire Commisioner John Ormond (from left), Walgreens district manager Kermit Crawford, Fire Commissioner Raymond Orozco and Deputy District Chief John Schneidwind announce Wednesday that Walgreens is donating 1,000 smoke detectors for areas plagued by fires. Walgreens Donates Smoke Alarms By Phillip J. O'Connor StWriser Eighteen people have been killed in Chicago fires so far in March and there were either not moke detectors or non-working detectors in all of them. Fire Cindr. Raymond E. Orozco suid Wednesday So far in 1904, there have been 38 fire deaths--one more than during the comparable period last year and in 29 or them there were either no smoke detectors or non-working detectors, Orozen said. The March toll included three recent fires that killed a total of 13 people, he said. Orozeo cited the statistics at a news confer nee at which he an rodneed Walgreens Drug Stores has donated 1000 smoke detectors to the Fire Department, which will distribute them in areas where fire deaths have occurred. Orezca plans to have members of fire companies that actually fought the deadly blases go door- to-door and distribute them to citizens whose homes are not pro- tected by detectors "Smoke detectors save lives Orcaco said. He urged residents to check batteries in their home smoke detectors over Easter week- end when they change clocks to Chicago is on pace for more than 150 fire-related deaths in 1994. Annual fire deaths in Chicago: ARBEHOO FIRE DEATHS 1090 1991 119 GUST 104 daylight savings time, which be gins early Sunday. He also urged citizens to help prevent injury and death by de- veloping a home escape plan in the event of a fire and to practice good fire safety. "A fire, prevent- ed, cannot hurt anybody," he said. 38 556696 1992 1993 1994 Includes 20 people killed in Paxton Hotel fire. Through March 29 JACK JORDAN SUN-TIMES

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