Now showing items 1-20 of 6138

    • 10 - Hotel Tourism 

      Lillestøl, Jostein (Working paper, 2007-10-11)
      Topic: Factor analysis and Discriminant analysis Context: This case is based on answers of questionnaires given to tourists at hotels in three different regions of Norway, here named Valleyland, Fjordland and ...
    • 11 - Takeover 

      Lillestøl, Jostein (Others, 2007-10-12)
      Topic: Estimation with error limits Context: An industry group has for some years owned a company in the building trade with branches in several cities. Now they have decided to sell the company to a foreign company. ...
    • 12 - Cashier Fraud 

      Lillestøl, Jostein (Working paper, 2007-10-13)
      Topic: Variation and extremes Context : This case deals with cashier fraud at a supermarket, involv¬ing so-called “return money” when the cashiers have to correct errors. The supermarket in question has 16 cashiers, ...
    • 13 - Response Times 

      Lillestøl, Jostein (Others, 2007-10-14)
      Topics: One-sample and two-sample estimation and testing, analysis of variance and regression Context: The users of a data base system, e.g. in a bank, will emphasize short response times when searching the data ...
    • 14 - Operating Expenses 

      Lillestøl, Jostein (Others, 2007-10-15)
      Topic: Multidimensional categorical and numerical variables - association and explanation A civil service operates throughout the state and has a number of cars. Purchasing and maintenance are decentralized to 6 ...
    • 15 - City Parking 

      Lillestøl, Jostein (Others, 2007-10-16)
      Topic: Estimation with confidence, t-tests Context: The city parking company of Bergen, Norway had in the period 1983-1988 two shifts for emptying the parking meters and ticket machines. The two shifts were alternating ...
    • 16 - Lost Sales 

      Lillestøl, Jostein (Others, 2007-10-17)
      Topic: Two-sample comparisons Context: Our firm started a certain business service in the early 1990’s. The concept was a success, and several other firms were established in the mid 1990’s offering similar services. ...
    • 17 - Tax Audit 

      Lillestøl, Jostein (Others, 2007-10-18)
      Topic: Comparisons, regression and outliers Context: The establishment ”Nels” has live music every Friday and Saturday. The guests have to pay a cover charge of 50 NOK kr, and if the cloakroom is used, a wardrobe fee ...
    • 18 - Union Card 

      Lillestøl, Jostein (Others, 2007-10-19)
      Topic: T-tests, analysis of variance, regression Context: The labour union UNI has doubled its membership during the last year, due to desertion from another union. Some new offers to the membership are under ...
    • 19 - Hospital Expenses 

      Lillestøl, Jostein (Others, 2007-10-20)
      Topic: Analysis of variance (ANOVA) Context: A county wants to look into a specific type of costs at three of its regional hospitals. The last three years the average cost per patient day of stay, adjusted for ...
    • The 19th century Antarctic sealing industry : sources, data and economic significance 

      Basberg, Bjørn L.; Headland, Robert K. (Discussion paper, Working paper, 2008-09)
      Sealing was the first exploitative industry in the Antarctic region. Throughout the 19th century it was characterized by large fluctuations in harvests and shifts in hunting grounds as seals were almost exterminated in ...
    • 1 - Drum Costs 

      Lillestøl, Jostein (Others, 2007-10-02)
      Topic: Linear fit Context: A developer of oil fields makes extensive use of drums of various sizes and specifications. For project cost estimation they need rough estimates of their costs. As an alternative to looking ...
    • 20 - Customer Satisfaction 

      Lillestøl, Jostein (Working paper, 2007-10-21)
      Topics: Possible methods of analysis are: Cross tabulation - chisquare tests Analysis of variance Regression analysis Factor analysis Discriminant analysis Cluster analysis Context: For producers of ...
    • 2 - Coding Errors 

      Lillestøl, Jostein (Others, 2007-10-03)
      Topic: Two-sample binomial counts Context: Many jobs involve entering codes into an information system. In order to avoid rework, confusion and trouble, the codes have to be memorized and remembered correctly. This ...
    • 3 - Sold Out 

      Lillestøl, Jostein (Others, 2007-10-04)
      Topic: Binomial counts in a time context Context: The food chain SO has four stores in the same region getting supplies from the same inventory. They consider introducing a new data based ordering system in all four ...
    • 4 - Accident Risks 

      Lillestøl, Jostein (Others, 2007-10-05)
      Topic: Frequency counts, risk analysis Context: Many companies and organizations observe and keep records of work accidents or some other unwanted event over time, and report the numbers monthly, quarterly or yearly. ...
    • 5 - Minced Meat 

      Lillestøl, Jostein (Others, 2007-10-06)
      Topic: Statistical Process Control Context: A slaughterhouse has initiated a program to implement quality management ideas at their production facility. Among others, this means an effort to keep all their processes ...
    • 6 - Fish Farming 

      Lillestøl, Jostein (Others, 2007-10-07)
      Topic: Distribution, mean and variation over time Context: The business of fish farming offers many challenging problems where you have to combine economics and bioscience. This also offers lots of opportunities for ...
    • 7 - Car Insurance 

      Lillestøl, Jostein (Others, 2007-10-08)
      Topic: Categorical variables, covariation and explanation Context: The insurance company CI specializes in car insurance, and wants to get some preliminary views from the market about added features to the comprehensive ...
    • 8 - Vodka Sales 

      Lillestøl, Jostein (Others, 2007-10-09)
      Topic: Time series analysis and prediction Context: A wholesale dealer of liquor has on record the sales each month of a certain brand of vodka for the period of July 2001 - June 2004. The data is available in the ...