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answer_key_sec_1_1 - REM 211] Name: WWW l‘: Spring 21108...

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Unformatted text preview: REM 211] Name: WWW l‘: Spring 21108 Section: 'I - l' 3 Section 1 l _] Conde- Nos: Traveler magazine conducts an annual surveyr of subscribers in order to determine the best laces to stayr throughout the world. The table below shows a sample of nine European hotels (Gouda Nos! Traveler, Januaryr lflflfl}. The price of a standard double room during the hotel‘s high season ranges fiom $ [lowest price) to $$$$ (highest price). The overall score includes subscriberse evaluations of each hotel’s rooms, service, restaurants, looationtannosphere, and public areas; a higher overall score corresponds to a higher level of satisfaction. a.) How man}r elements are in this dataset‘? @ q [P-w) . b. How man}r variables are in this dataset’lI LIL LP. ll!) c.) Classify the variables as quantitative or qualitative and state the level of measurement. ~ @ Wm r so We; w w will“ ' DW'HM {lam mar ammo/W I ' ‘vc rifts “WWW 919 rpm; r Will-3d” : - emu am - WWWWx "Wl (I; .14?) 2.] Count the dollar value of the moneyr you are carrying. Give the measurement you obtained to your TA. (Save a copy of this data for future seetions.) a.) Provide a tabular summary of the data. (Would a stem and leaf plot be helpful? If so, include one) mancg mfihcg mam ('3‘) was me For m MW? W @ @al : .— In F- 1. I E11 @ l (rm b.) Construct a graph of these measurements that shows the shape of the istribution. Describe the shape of the distribution 3H: [W1 3v) The Following is a list of humework scares for two students: J v‘ .r .a J a .r .f' .f' F‘ 811}, 52, 56, 94, T6, 48, 92, 69, T9, 4 T; 81:, a}, Tg, as} 32;, 15;, 73, fig}, a9 Student A: Student E: a.) Canalruct a backam-baak stem and leafgjégf the data. fljéflifif EMT?) 3'6 1f G“) ; 5| “I S’- qu :l" arthihfi 91a 3 mlfifih-‘a’ m? ‘1 T b.) Which student do you think has. done. better work? Explain yaur answer. 4.] The real-estate heard in a wealthy suhurh wants to investigate the distribution of prices of homes sold during the past year. The feline-string sample of prices (in $ 1 ,flflfls] was collected: Elm KEE- [IE- A frtrqueneyr distribution for the prices was constructed using five classes. Prices a) Construct a cumulative relative ogive for the house prices. 31] WES sf Home; sold oyruo m tabdgfi?) pm; a}: Haw (s halite) 1What percentage of the prices is less than Stillflflflflfm-fii) EM; h.) @ e.) What percentage of the prices is between $25G,Uflfl and $39‘9flfifl‘? (P31) @ .aw'. 2’? :- W13: Using the. ngivc, what percenng ofthe prices are under $325,06fl? Compare this to the true percentage (computed fi‘flm the Original data). Did the ugive give a goat! approximation? MW “IL/H5: 50'!” M V N5 (Egg: “114,05 iv? 'ffl’f." (Fl .03: t‘} W flquphqmgfl' Approximalely "5% nfihe prices are below what value? whamm ...
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This note was uploaded on 04/02/2008 for the course AEM 2100 taught by Professor Vanes,c. during the Spring '08 term at Cornell.

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answer_key_sec_1_1 - REM 211] Name: WWW l‘: Spring 21108...

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