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