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Fast Food Fast. By Monica McGrath & Christine Malikowski. History. Fast Food restaurants have been around since 1921 when the first White Castle opened. First hamburger invented in 1916. First drive-thru restaurant invented in 1948. December 12, 1948 First McDonalds opened

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Fast Food Fast


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fast food fast

Fast Food Fast

By Monica McGrath & Christine Malikowski

history
History
  • Fast Food restaurants have been around since 1921 when the first White Castle opened.
  • First hamburger invented in 1916.
  • First drive-thru restaurant invented in 1948.
  • December 12, 1948 First McDonalds opened
  • Burger King open in the1950s and Wendy’s came along in 1969
how did it happen
How Did It Happen
  • Picked a SRS of 3 types of each restaurant by using yellowpages.com
  • At each place we gathered 10 times from getting food inside and 10 from going through the drive thru.
the subjects
The Subjects
  • Burger King 1
    • 60 Easton Rd Warrington, PA 18976
  • Burger King 2
    • 580 W Street Rd Warminster, PA 18974
  • Burger King 3
    • 560 N Main St Doylestown, PA 18901
  • Chick-fil-A 1
    • 160 Easton Rd

Warrington, Pa 18976

  • Chick-fil-A 2
    • 4 West RoadNewtown, PA 18940-4301
  • Chick-fil-A 3
    • 2500 W Moreland Rd Willow Grove, PA 19090
  • KFC 1
    • 1865 Easton Rd

Willow Grove, PA

  • KFC 2
    • 490 N Main St

Doylestown, PA 18901

  • KFC 3
    • 1719 N Broad St Lansdale, PA 19446
  • Wendy’s 1
    • 620 EASTON ROADWARRINGTON, PA 18976 US
  • Wendy’s 2
    • 400 N Main St Doylestown, PA 18901
  • Wendy’s 3
    • 755 York Rd Ste 204 Warminster, PA 18974
  • McDonalds 1
    • 2395 York Rd

Jamison, PA 18929

  • McDonalds 2
    • 210 Inverness Cir Chalfont, PA 18914
  • McDonalds 3
    • 39 Doyle St Doylestown, PA 18901
5 number summary
Inside Times

Min = 1.04

Q1 = 1.29

Med = 2.10

Q3 = 2.53

Max = 3.54

Outside Times

Min = 1.01

Q1 = 1.59

Med = 2.25

Q3 = 2.50

Max = 3.56

5 Number Summary
the tests
The Tests
  • Test 1- 2-Sample T-test testing whether the average drive thru time is equal to the average inside time
  • Test 2- Mean difference test, Testing weather the average drive thru time found is equal to the national average for each restaurant visited
assumptions
State

2 independent SRS

2 Norm pops

or

n1> 30

n2> 30

Check

Used yellowpages.com to find random restaurants

150 > 30 (check)

150 > 30 (check)

Assumptions
test one
Test One

µ1 = Inside times

µ2 = Drive Thru times

Ho: µ1= µ2

Ha: µ1> µ2

T= = -1.1533

P(t > -1.1533 | df = 27.6011) = .87007

conclusions
Conclusions
  • We fail to reject ho because the p-value of .87007 is less then α = .05.
  • We have sufficient evidence that the average times of going through the drive thru of a fast food restaurant is greater then going inside.
confidence interval
Confidence Interval
  • X ± (t*)(s/ n) =( -.295, .62834)
  • We are 99% confident that the mean difference of Drive thru times and inside times is between -.295 and .62834 mins.
assumptions1
State

SRS

Normal Pop.

or

Nd > 30

Check

Used yellowpages.com to find random restaurants

150 > 30 check

Assumptions
test two
Test Two

Ho:µd = 0

Ha: µd ≠ 0

T= = 4.0414

P( t > 4.0414|df = 4) = .0156

conclusion
Conclusion
  • We reject Ho in favor of Ha because the p-value of .0156 is greater then α = .05.
  • We have sufficient evidence that the observed drive thru times were not equal to the national drive thru averages.
margin of error
Margin Of Error
  • ordering different things or amount in which you order
  • different time of day (how busy)
  • Number of people on shift
  • who serves you
  • timing not accurate(human error)
personal analysis
Personal Analysis
  • The collection of data we did find somewhat difficult just because of the huge amount of data needed.
  • We started out by buy all the food ourselves but then reverted to just timing people because of costs.
  • Project was fun but challenging
personal thoughts cont
Personal Thoughts Cont.
  • The Results for test one were surprising because we expected the drive thru times to be faster.
  • The results for test two were surprising also because they did not fit the national averages
application
Application
  • We find this applicable to any person wanting to get food in a hurry.
  • Not always is what people try to advertise is always true.
  • Fast restaurant = WENDY’S