Tips
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Tips

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Tips Tips Presentation Transcript

  • Tips
    By: Brian Williams, Greg Obetz,
    Mike O’Day
  • Many factors
    Gender of patron
    Smoker or non-smoker
    Time of day
    Weekday or weekend
    Tipping
  • Data collected from food chain in local mall
    2 ½ months
    Non-smoking section
    Background
  • The following information was recorded:
    Amount of the total bill
    Amount of the tip
    The gender
    Whether or not a patron in the party is a smoker
    Day of the week
    Time of day
    Size of the party.
    Data Collected
  • Male vs. Female
  • |obs| < critical
    P-value > a-value
    Accept the null
    Males and females tip the same
    Male vs. Female
  • Night vs. Day
  • |obs| > critical
    P-value < a-level
    Reject the null
    Night patrons tip more than day patrons
    Night vs. Day
  • Smoker vs. Non-smoker
  • |obs| < critical
    P-value >a-level
    Accept the null
    Smokers and non-smokers tip the same
    Smoker vs. Non-smoker
  • Weekend vs. Weekday
  • |obs|< critical
    P-value > a-level
    Accept the null
    Weekend and weekday patrons tip the same
    Weekend vs. Weekday
  • Only time of day affected tips
    Smoking, gender, and day of week had no affect
    Recommendation
    Alternate day and night shifts
    Service is biggest factor in tips
    Conclusion