Lesson 8 Worksheet: Number Nonsense (10 points) 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 Syraclesia University) Northern California is nearly last in the nation for U.S. drug cases. Out of 90 U.S. judicial districts, Northern California ranked 82" 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 Most complaints, Nov.00 United Airlines 252 American Airlines 162 Delta Air Lines 119 counts do not tell Fewest Alaska Airlines 13 Southwest Airlines 22 Continental Airlines 60 We need the rate of customer Complaints because the the whole story. 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 31, 1094 HOW CAN SURT Deputy Fire Commisioner John Ormond (from left). Walgreens district manager Kermit Crawford, Fire Commissioner Raymond Orozco and Deputy District Chler John Schneidwind announce Wednesday that Walgreens is donating 1,000 smoke detectors for areas plagued by fires. Walgreens Donates Smoke Alarms HELL By Phillip J. O'Connor FIRE DEATHS Eighteen people have been Chicago is on pace for more than 150 killed in Chic fires so far in Bire-related death in 1994. Anna! March and there were either ne fire deaths in Chicago smoke detectors or non-working detectors in all of them, Fire Cmdr. Raymond E Orozco suid Wednesday So far in 1904, there have been 38 fire deathsone more than 121 119 during the comparable period last (104 year and in 9 of them there wwe either no smoke detectors or non-working detectors, Orozco The March toll included three recent fires that killed a total of 38 13 people, he said Orozco cited the statistics at a I contes at which he di rond greens Du Stones has noted 1.000 smoke detectors 1090 1991 1992 1993 1994" to the Fire Department, which will distribute them in areas "Includes 20 people willed in Paxton Hotele where fire death have occurred. *Through March 29 Ons plans to have members of fire companies that actually JACK JORDAN SUN-TIMES fought the deadly blues go door to do and distribute them to citer whose homes are not pro ins early Sunday. daylight savings time, which be fected by detector He also urged citizens to help "Smoke detecton save lives," prevent injury and death by de Orta He und residents to veloping a home escape plan in check batteries in their bome smoke detectors or Fater week good fire safety. "A fire, prevent the event of a fire and to practice end when the change clocks to ed, cannot hurt anybody," he said. Lesson 8 Worksheet: Number Nonsense (10 points) 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 Syraclesia University) Northern California is nearly last in the nation for U.S. drug cases. Out of 90 U.S. judicial districts, Northern California ranked 82" 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 Most complaints, Nov.00 United Airlines 252 American Airlines 162 Delta Air Lines 119 counts do not tell Fewest Alaska Airlines 13 Southwest Airlines 22 Continental Airlines 60 We need the rate of customer Complaints because the the whole story. 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 31, 1094 HOW CAN SURT Deputy Fire Commisioner John Ormond (from left). Walgreens district manager Kermit Crawford, Fire Commissioner Raymond Orozco and Deputy District Chler John Schneidwind announce Wednesday that Walgreens is donating 1,000 smoke detectors for areas plagued by fires. Walgreens Donates Smoke Alarms HELL By Phillip J. O'Connor FIRE DEATHS Eighteen people have been Chicago is on pace for more than 150 killed in Chic fires so far in Bire-related death in 1994. Anna! March and there were either ne fire deaths in Chicago smoke detectors or non-working detectors in all of them, Fire Cmdr. Raymond E Orozco suid Wednesday So far in 1904, there have been 38 fire deathsone more than 121 119 during the comparable period last (104 year and in 9 of them there wwe either no smoke detectors or non-working detectors, Orozco The March toll included three recent fires that killed a total of 38 13 people, he said Orozco cited the statistics at a I contes at which he di rond greens Du Stones has noted 1.000 smoke detectors 1090 1991 1992 1993 1994" to the Fire Department, which will distribute them in areas "Includes 20 people willed in Paxton Hotele where fire death have occurred. *Through March 29 Ons plans to have members of fire companies that actually JACK JORDAN SUN-TIMES fought the deadly blues go door to do and distribute them to citer whose homes are not pro ins early Sunday. daylight savings time, which be fected by detector He also urged citizens to help "Smoke detecton save lives," prevent injury and death by de Orta He und residents to veloping a home escape plan in check batteries in their bome smoke detectors or Fater week good fire safety. "A fire, prevent the event of a fire and to practice end when the change clocks to ed, cannot hurt anybody," he said