Section 1.2 Types of Data 17 44. Watch your language: According to Merriam-Webster Online, the ten words that received the highest intensity of lookups in 2008 were: 1. bailout 6. trepidation 2. vet 7. precipice 3. socialism 8. rogue 4. maverick 9. misogyny 5. bipartisan 10. turmoil Are these data nominal or ordinal? 45. Top ten PC games: In October 2008, Nielsen Media published the following data about the top ten PC games: Percentage of Average Minutes Game Title Publisher Gaming Audience Played per Week 1. World of Warcraft Blizzard Entertainment 12.509 546 2. Warcraft III: Reign of Chaos Blizzard Entertainment 1.890 328 3. Half-Life 2 Vivendi Games 1.917 288 4. Spore Electric Entertainment 2.234 268 5. Bookworm PopCap Games 3.074 133 6. Cake Mania 3 Sandlot Games 4.260 138 7. Virtual Villagers: The Secret City Wild Games 1.567 204 8. Chessmaster Challenge PlayFirst 8.856 47 9. Halo: Combat Evolved Microsoft Game Studios 2.005 165 10. Build-a-Lot 2: Town of the Year HipSoft LLC 1.661 183 Source: Nielsen Media Research a. Which of the columns represent qualitative variables? b. Which of the columns represent quantitative variables? c. Which of the columns represent nominal variables? d. Which of the columns represent ordinal variables? 46. At the movies: The following table provides information about the top-grossing movies for the years 1995–2010. Ticket Sales Tickets Sold Year Movie Title Creative Type MPAA Rating (millions) (millions) 1995 Batman Forever Super hero PG-13 184.0 42.3 1996 Independence Day Science fiction PG-13 306.1 69.3 1997 Men in Black Science fiction PG-13 250.1 54.5 1998 Titanic Dramatization PG-13 443.3 94.5 1999 Star Wars Ep. I: The Phantom Menace Science fiction PG 430.4 84.7 2000 How the Grinch Stole Christmas Kids fiction PG 253.4 47.0 2001 Harry Potter and the Sorcerer’s Stone Fantasy PG 291.6 51.5 2002 Spider-Man Super hero PG-13 403.7 69.5 2003 Finding Nemo Kids fiction G 339.7 56.3 2004 Shrek 2 Kids fiction PG 436.5 70.3 2005 Star Wars Ep. III: Revenge of the Sith Science fiction PG-13 380.3 59.3 2006 Pirates of the Caribbean: Dead Man’s Chest Fantasy PG-13 423.3 64.6 2007 Spider-Man 3 Super hero PG-13 336.5 48.9 2008 The Dark Knight Super hero PG-13 531.0 74.0 2009 Transformers: Revenge of the Fallen Science fiction PG-13 402.1 53.6 2010 Toy Story 3 Kids fiction G 415.0 52.6 Source: http://www.the-numbers.com/ a. Which of the columns represent qualitative variables? b. Which of the columns represent quantitative variables? c. Which of the columns represent nominal variables? d. Which of the columns represent ordinal variables? Extending the Concepts 47. What do the numbers mean? A survey is administered by a marketing firm. Two of the people surveyed are Brenda and Jason. Three of the questions are as follows: i. Do you favor the construction of a new shopping mall? (1) Strongly oppose (2) Somewhat oppose (3) Neutral (4) Somewhat favor (5) Strongly favor ii. How many cars do you own?
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