Thursday, August 27, 2020

Descriptive Statistics

Illustrative Statistics Question 1: The Dow Jones Travel Index revealed what business explorers pay for lodgings every night in significant U. S. urban communities (The Wall Street Journal, January 16,2004). The normal lodging rates for 20 urban areas are as per the following Atlanta | $163| Minneapolis| $125| Boston | 177| New Orleans| 169| Chicago| 166| New York| 245| Cleveland| 126| Orlando| 146| Dallas| 123| Phoenix| 139| Denver| 120| Pittsburgh| 134| Detroit| 144| San Francisco| 167| Houston| 173| Seattle| 162| Los Angeles| 160| St. Louis| 145| Miami| 192| Washington D. C. | 207| a.What is the mean lodging rate? b. What is the middle lodging rate? c. What is the mode? d. What is the main quartile? e. What is the third quartile? Question 2: The National Association of Collage and Employers assembled data about yearly beginning pay rates for school graduates by major. The mean beginning compensation for business organization graduates was $39,850 (CNNM Money. com, February 15, 200 6). Tests with yearly beginning information for promoting majors and bookkeeping majors follow (information are in thousands): Marketing Majors| 34. 2| 45| 39. 5| 28. | 37. 7| 35. 8| 30. 6| 35. 2| 34. 2| 42. 4| Accounting Majors| 33. 5| 57. 1| 49. 7| 40. 2| 44. 2| 45. 2| 47. 8| 38| 53. 9| 41. 1| 41. 7| 40. 8| 55. 5| 43. 5| 49. 1| 49. 9| a. Process the mean, middle, and method of the yearly beginning compensation for the two majors. b. Register the first and third quartiles for the two majors. c. Business organization understudies with bookkeeping majors for the most part acquire the most elevated yearly pay after graduation. What do the example information show about the contrast between the yearly beginning pay rates for promoting and bookkeeping majors?Question 3: The American Association of Individual Investors directed a yearly study of markdown specialists (AAII Journal, January 2003). The commissions charged by 24 rebate agents for two sorts of exchanges, a merchant helped exc hange of 100 offers at $50 per share and an online exchange of 500 offers at $50 per share. a. Register the mean, middle, and mode for the commission charged on a representative helped exchange of 100 offers at $50 per share. b. Process the mean, media, and mode for the commission charged on an online exchange of 500 offers at $50 per share. c.Which costs increasingly, a merchant helped exchange of 100 offers at $50 per share or an online exchange of 500 offers at $50 per share? d. Is the cost of an exchange identified with the measure of the exchange? TABLE: COMMISSIONS CHARGED BY DISCOUNT BROKERS Question 4: An example of 10 NCAA school ball game scores gave the accompanying information (USA Today, January 26, 2004) Winning Team| Points| Losing Team | Points | Winning Margin| Arizona | 90| Oregon | 66| 24| Duke| 85| Georgetown| 66| 19| Florida State| 75| Wake Forest| 70| 5| Kansas| 78| Colorado| 57| 21|Kentucky| 71| Notre Dame| 63| 8| Louisville| 65| Tennessee| 62| 3| Oklahoma Sta te| 72| Texas| 66| 6| Purdue| 76| Michigan State| 70| 6| Stanford | 77| Southern Cal| 67| 10| Wisconsin | 76| Illinois | 56| 20| a. Process the mean and standard deviation for the focuses scored by the triumphant group. b. Expect that the focuses by the triumphant groups for all NCAA games follow a ringer formed dissemination. Utilizing the mean and standard deviation found to a limited extent (a), gauge the level of all NCAA games in which the triumphant group scores at least 84 focuses. Gauge the rate ofNCAA games in which the triumphant group scores in excess of 90 focuses. c. Figure the mean and standard deviation for the triumphant edge. Question 5: Consumer Review posts surveys and rating of an assortment of items on the Internet. Coming up next is an example of 20 speaker frameworks and their appraisals (www. audioreview. com). The appraisals are on a size of 1 to 5, with 5 being ideal. Speaker| Rating| Speaker| Rating | Infinity Kappa | 4. 00| ACI Sapphire III| 4. 67| Alliso n One| 4. 12| Bose 501 Series | 2. 14| Cambridge Ensemble II| 3. 82| DCM KX-212| 4. 09|Dynaudio Contour 1. 3| 4. 00| Eosone RSR1000| 4. 17| Hsu Rsch. HRSW12V| 4. 56| Joseph Audio RM7si| 4. 88| Legacy Audio Focus| 4. 32| Martin Logan Aerius| 4. 26| Mission 73li| 4. 33| Omni Audio SA 12. 3| 2. 32| PSB 400i| 4. 50| Polk Audio RT12| 4. 50| Snell Acoustics DIV| 4. 64| Sunfire True Subwoofer| 4. 17| Thiel CS 1. 5| 4. 20| Yamaha NS-A636| 2. 17| a. Register the mean and the middle. b. Figure the first and third quartiles. c. Register the standard deviation. d. The skewness of this information is †1. 67. Remark on the state of the dispersion. Question 6:According to the 2003 Annual Consumer Spending Survey, the normal month to month Bank of America Visa charge was $1838 (U. S. Aviation routes Attache Magazine, December 2003). An example of month to month Visa charges gives the accompanying information. 236| 1710| 1351| 825| 7450| 316| 4135| 1333| 1584| 387| 991| 3396| 170| 1428| 1688| a . Register the mean and middle. b. Figure the first and third quartiles. c. Register the range and interquartile run. d. Register the fluctuation and standard deviation. Question 7: Small entrepreneurs regularly look to finance administration organizations to deal with their representative payroll.Reasons are that entrepreneurs face confounded assessment guidelines and punishments for work charge mistakes are exorbitant. As indicated by the Internal Revenue Service, 26% of all independent company work assessment forms contained blunders that brought about expense punishment to the proprietor (The Wall Street Journal, January 30, 2006). The expense punishment for an example of 20 entrepreneurs follows: 820| 270| 450| 1010| 890| 700| 1350| 350| 300| 1200| 390| 730| 2040| 230| 640| 350| 420| 270| 370| 620| a. What is the mean expense punishment for inappropriately documented work assessment forms? b.What is the standard deviation? c. Is the most elevated punishment, $2040, an exception ? d. What are a portion of the upsides of an entrepreneur recruiting a finance administration organization to deal with representative finance administrations, including the work expense forms? Question 8: The National Association of Realtors detailed the middle home cost in the United States and the expansion in middle home cost over a five-year time span (The Wall Street, Journal, January 16, 2006). Utilize the example home costs appeared here to respond to the accompanying inquiries. 995. 9| 48. 8| 175. 0| 263. 50| 298. 0| 218. 9| 209. | 628. 3| 111. 0| 212. 9| 92. 6| 2325. 0| 958. 0| 212. 5| a. What is the example middle home cost? b. In January 2001, the National Association of Realtors announced a middle home cost of $139,300 in the United States. What was the rate increment in the middle home cost over the five-year time frame? c. What are the principal quartile and the third quartile for the example information? d. Give a five-number rundown to the home costs. e. What is the mean home cost for the example? For what reason does the National Association of Realtors like to utilize the middle home cost in its reports?

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