Fast Food Restaurant Drive -Through Service Times: Who is Best?

Fast Food Data Assignment1

FastFood <-read.csv("~/Desktop/25 - Fast Food.csv")
attach(FastFood)
summary(FastFood)
##  MCDONALDS.LUNCH MCDONALDS.DINNER BURGER.KING.LUNCH BURGER.KING.DINNER
##  Min.   : 83.0   Min.   : 64.0    Min.   : 76.0     Min.   : 54.0     
##  1st Qu.:127.8   1st Qu.:142.2    1st Qu.:111.5     1st Qu.:127.0     
##  Median :150.5   Median :172.0    Median :136.5     Median :143.0     
##  Mean   :160.2   Mean   :179.3    Mean   :142.4     Mean   :153.3     
##  3rd Qu.:186.8   3rd Qu.:199.5    3rd Qu.:159.8     3rd Qu.:171.2     
##  Max.   :308.0   Max.   :352.0    Max.   :259.0     Max.   :293.0     
##   WENDYS.LUNCH   WENDYS.DINNER   DUNKIN.DONUTS.LUNCH DUNKIN.DONUTS.DINNER
##  Min.   : 73.0   Min.   : 56.0   Min.   : 43.00      Min.   : 44.00      
##  1st Qu.:104.0   1st Qu.:101.8   1st Qu.: 78.25      1st Qu.: 85.25      
##  Median :151.5   Median :132.0   Median : 99.50      Median :113.50      
##  Mean   :172.0   Mean   :142.6   Mean   :104.78      Mean   :128.28      
##  3rd Qu.:218.5   3rd Qu.:165.0   3rd Qu.:132.50      3rd Qu.:158.00      
##  Max.   :466.0   Max.   :267.0   Max.   :201.00      Max.   :333.00

1.Identify W’s (e.g. WHO, WHAT, WHEN, WHERE, HOW) of data you work with.

2. Use the summaries above to answer five questions from page 78; remember to provide justification for each question using full and complete sentences.

3. Textbook problems: page 477, problem #19 AND page 492, problem #19 represent ONE assignment. Your objectives are:
to identify W’s (e.g. WHO, WHAT, WHEN, WHERE, HOW)

to follow the directions from page 476 AND page 491.

  1. Data Set 25: Extrated from M.F Triola Essentials of Statistics Sixth Edition, Pearson↩