Qm Data Sheet Pratice

Quantitative Methods 

Data Sets for discussion  

1. Travel & Living conducts an annual survey of subscribers in order to determine the best places  to stay. The following table shows a sample of 9 European hotels from one of their surveys. The  overall  score  includes  subscriber’s  evaluation  of  each  hotel’s  rooms,  service,  restaurants,  location/atmosphere  and  public  areas  (a  high  score  indicates  high  level  of  satisfaction).  The  price of the room varies from $ (lowest) to $$$$ (highest). 

Name of Property Graveteye Manor Villa d'Este Hotel Prem Hotel d'Europe Palace Luzern Royal Crescent Hotel Hotel Sacher Duc de Bourgogne Villa Gallici

Country England Italy Germany France Switzerland England Austria Belgium France

Room Rate $$ $$$$ $ $$ $$ $$$ $$$ $ $$

Number of Rooms 18 166 54 47 326 45 120 10 22

Overall Score 83.6 86.3 77.8 76.8 80.9 73.7 85.5 76.9 90.6

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  2. All‐in‐one sound systems, called mini‐systems, typically include an AM/FM tuner, a dual cassette  tape  deck, and a CD changer in a book sized box  with  two separate speakers. The data in the  following  table  shows  the  retail  price,  sound  quality,  CD  capacity,  FM  tuning  selectivity  and  sensitivity, and the number of tape decks for a sample of 10 mini‐systems. 

Brand & Model Aiwa NSX-AJ800 JVC FS-SD1000 JVC MX-G50 Panasonic SCPM11 RCA RS 1283 Sharp CD-BA2600 Sony CHC-CL1 Sony MHC-NX1 Yamaha GX-505 Yamaha MCRE100

Price ($) 250 500 200 170 170 150 300 500 400 500

Sound Quality Good Good Very Good Fair Good Good Very Good Good Very Good Very Good

CD FM Capacity Tuning 3 Fair Very 1 Good 3 5 3 3 3 5 3 1 Excellent Very Good Poor Good Very Good Excellent Excellent Excellent

Tape Decks 2 0 2 1 0 2 1 2 1 0

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3. The following data shows the percentage of music sales by the genre of the music over a period  of 5 years. 

Type Rock Country R&B Pop Rap Gospel Classical Jazz Other

1996 32.6 12.1...