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

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

Picked a SRS of 3 Picked a SRS of 3 types of each types of each restaurant by using restaurant by using yellowpages.com yellowpages.com

At each place we At each place we gathered 10 times gathered 10 times from getting food from getting food inside and 10 from inside and 10 from going through the going through the drive thru.drive thru.

Burger King 1Burger King 1› 60 Easton Rd 60 Easton Rd

Warrington, PA 18976Warrington, PA 18976 Burger King 2Burger King 2

› 580 W Street Rd 580 W Street Rd Warminster, PA 18974Warminster, PA 18974

Burger King 3Burger King 3› 560 N Main St 560 N Main St

Doylestown, PA 18901Doylestown, PA 18901 Chick-fil-A 1Chick-fil-A 1

› 160 Easton Rd160 Easton RdWarrington, Pa 18976Warrington, Pa 18976

Chick-fil-A 2Chick-fil-A 2› 4 West Road4 West Road

Newtown, PA 18940-4301Newtown, PA 18940-4301 Chick-fil-A 3Chick-fil-A 3

› 2500 W Moreland Rd 2500 W Moreland Rd Willow Grove, PA 19090Willow Grove, PA 19090

KFC 1KFC 1› 1865 Easton Rd1865 Easton Rd

Willow Grove, PA Willow Grove, PA

KFC 2KFC 2› 490 N Main St490 N Main St

Doylestown, PA 18901Doylestown, PA 18901 KFC 3KFC 3

› 1719 N Broad St 1719 N Broad St Lansdale, PA 19446Lansdale, PA 19446

Wendy’s 1Wendy’s 1› 620 EASTON ROAD620 EASTON ROAD

WARRINGTON, PA 18976 USWARRINGTON, PA 18976 US Wendy’s 2Wendy’s 2

› 400 N Main St 400 N Main St Doylestown, PA 18901Doylestown, PA 18901

Wendy’s 3Wendy’s 3› 755 York Rd Ste 204 755 York Rd Ste 204

Warminster, PA 18974Warminster, PA 18974 McDonalds 1McDonalds 1

› 2395 York Rd2395 York RdJamison, PA 18929Jamison, PA 18929

McDonalds 2McDonalds 2› 210 Inverness Cir 210 Inverness Cir

Chalfont, PA 18914Chalfont, PA 18914 McDonalds 3McDonalds 3

› 39 Doyle St 39 Doyle St Doylestown, PA 18901Doylestown, PA 18901

Ins ide 1 Ins ide 2 Ins ide 3 Ins ide 4 Ins ide 5 Ins ide 6 Ins ide 7 Ins ide 8 Ins ide 9 Ins ide 10 Av g Ins ideB ug er K ing 1 1:19 1:28 1:43 2:24 2:14 1:38 3:37 2:48 1:46 1:28 2:02B ug er K ing 2 2:02 1:24 1:19 2:55 1:37 2:20 2:27 1:48 2:52 2:16 2:06B ug er K ing 3 2:01 2:38 1:45 1:43 2:28 3:29 1:13 2:06 1:38 2:22 2:08C hic k-fil-a 1 3:31 3:03 2:28 3:01 3:09 2:40 2:01 1:36 1:17 2:55 2:34C hic k-fil-a 2 3:25 3:54 3:01 2:48 2:44 3:38 1:32 2:05 2:10 1:27 2:40C hic k-fil-a 3 2:46 3:26 2:54 3:23 3:18 1:26 2:47 2:06 3:03 1:47 2:41Mc Donalds 1 1:10 1:08 2:11 2:03 1:50 3:18 1:48 2:11 2:54 1:52 2:02Mc Donalds 2 2:31 2:56 1:45 2:22 1:44 2:15 3:09 3:18 1:43 3:41 2:32Mc Donalds 3 1:10 1:29 3:07 1:22 2:39 1:28 1:15 1:24 2:17 1:04 1:43K F C 1 1:20 1:25 1:17 2:55 1:09 1:06 1:42 3:07 1:23 1:10 1:39K F C 2 1:48 1:36 2:00 1:33 3:48 3:19 2:44 1:15 1:23 3:05 2:15K F C 3 1:52 1:05 2:35 1:17 3:29 3:28 2:29 2:33 3:33 2:40 2:30Wendy's 1 1:01 1:22 1:08 2:19 1:21 1:17 1:22 2:32 2:10 1:14 1:34Wendy's 2 1:29 2:54 2:06 2:40 3:14 3:25 2:53 2:15 3:10 2:22 2:38Wendy's 3 1:50 2:50 2:34 3:02 1:23 1:55 1:44 2:07 2:43 2:37 2:16

Data for Going Inside

Av g Driv e T hru2:301:512:161:272:322:392:032:072:132:393:022:592:572:282:27

Data for Drive ThruDriv e thru 1 Driv e thru 2 Driv e thru 3 Driv e thru 4 Driv e T hru 5 Driv e thru 6 Driv e thru 7 Driv e thru 8 Driv e T hru 9

2:31 2:54 1:59 1:56 2:30 2:06 3:24 2:39 2:212:40 1:13 1:27 2:02 1:44 1:23 2:22 1:14 2:122:14 1:50 2:16 1:43 2:15 3:06 2:44 2:14 1:491:11 1:01 1:14 1:47 1:27 1:20 1:56 1:44 1:433:23 2:19 1:22 2:23 2:35 1:20 2:34 3:14 3:172:34 2:12 2:31 2:20 2:42 2:57 2:55 3:01 2:422:40 2:34 1:01 2:07 1:47 2:22 1:30 1:55 2:242:50 1:32 1:11 2:11 2:26 2:14 2:29 3:05 1:582:38 2:30 2:14 3:07 1:57 1:59 2:14 2:10 1:562:39 2:54 2:43 2:32 3:15 2:33 2:16 2:44 2:213:33 3:27 3:09 2:44 3:10 2:47 3:26 2:10 2:252:55 2:10 3:07 3:07 3:08 3:34 2:15 2:28 3:153:51 2:31 2:50 2:32 3:17 3:49 2:15 3:51 2:422:30 3:07 2:43 1:50 3:22 2:01 2:48 2:09 1:593:10 2:55 2:43 2:01 2:28 1:58 2:14 2:18 3:03

Name of Restaurant

Time in Minutes

Our Overall Average time(mins)

McDonalds 3:18 2:33

Burger King 3:39 2:35

Wendy’s 2:26 2:24

KFC 3:33 2:30

Chick-Fli-A 3:21 2:25

Av g O v erall2:161:582:122:002:362:402:022:191:582:092:382:442:162:332:22

B ug er K ing 1B ug er K ing 2B ug er K ing 3C hic k-fil-a 1C hic k-fil-a 2C hic k-fil-a 3Mc Donalds 1Mc Donalds 2Mc Donalds 3K F C 1K F C 2K F C 3Wendy's 1Wendy's 2Wendy's 3

0:00

0:28

0:57

1:26

1:55

2:24

2:52

3:21

3:50

4:19

Insid

e 1

Insid

e 2

Insid

e 3

Insid

e 4

Insid

e 5

Insid

e 6

Insid

e 7

Insid

e 8

Insid

e 9

Insid

e 1

0

Avg

Insid

e

Driv

e thru

1

Driv

e thru

2

Driv

e thru

3

Driv

e thru

4

Driv

e T

hru

5

Driv

e thru

6

Driv

e thru

7

Driv

e thru

8

Driv

e T

hru

9

Driv

e thru

10

Avg

Driv

e T

hru

Avg

Ove

rall

Buger King 1

Buger King 2

Buger King 3

Chick-fil-a 1

Chick-fil-a 2

Chick-fil-a 3

McDonalds 1

McDonalds 2

McDonalds 3

KFC 1

KFC 2

KFC 3

Wendy's 1

Wendy's 2

Wendy's 3

All Times

0:00

0:28

0:57

1:26

1:55

2:24

2:52

3:21

3:50

4:19

Inside1

Inside2

Inside3

Inside4

Inside5

Inside6

Inside7

Inside8

Inside9

Inside10

AvgInside

Inside Times

Buger King1Buger King2Buger King3Chick-fil-a1Chick-fil-a2Chick-fil-a3McDonalds 1McDonalds 2McDonalds 3KFC 1

KFC 2

KFC 3

Wendy's 1

Wendy's 2

Wendy's 3

0:00

0:28

0:57

1:26

1:55

2:24

2:52

3:21

3:50

4:19

Drive thru 2

Drive thru 3

Drive thru 4 Drive Thru 5 Drive thru 6 Drive thru 7 Drive thru 8 Drive Thru 9 Drive thru10

Avg DriveThru

2:312:402:141:113:232:342:402:502:382:393:332:553:512:303:10

Drive Thru Times

5 Number Summary

Inside TimesInside Times

Min = 1.04Min = 1.04 Q1 = 1.29Q1 = 1.29 Med = 2.10Med = 2.10 Q3 = 2.53Q3 = 2.53 Max = 3.54Max = 3.54

Outside TimesOutside Times

Min = 1.01Min = 1.01 Q1 = 1.59Q1 = 1.59 Med = 2.25Med = 2.25 Q3 = 2.50Q3 = 2.50 Max = 3.56Max = 3.56

The Tests

•Test 1- 2-Sample T-test testing Test 1- 2-Sample T-test testing whether the average drive thru time whether the average drive thru time is equal to the average inside timeis equal to the average inside time

•Test 2- Mean difference test, Testing Test 2- Mean difference test, Testing weather the average drive thru time weather the average drive thru time found is equal to the national average found is equal to the national average for each restaurant visited for each restaurant visited

AssumptionsAssumptions

StateState

1.1. 2 independent SRS2 independent SRS

2.2. 2 Norm pops 2 Norm pops

oror

nn11> 30> 30

nn22> 30> 30

CheckCheck

1.1. Used Used yellowpages.com yellowpages.com to find random to find random restaurants restaurants

2.2. 150 > 30 (check)150 > 30 (check)

150 > 30 (check)150 > 30 (check)

Test OneTest One

Ho: Ho: µµ11= µ= µ22

Ha: µHa: µ11> µ> µ22

T= = -1.1533T= = -1.1533

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

µµ1 1 = Inside times= Inside times

µµ2 2 = Drive Thru = Drive Thru timestimes

2

2

1

1

21

ns

ns

xx

ConclusionsConclusions

We fail to reject ho because the p-We fail to reject ho because the p-value of value of .87007 is less then .87007 is less then αα = .05. = .05.

We have sufficient evidence that the We have sufficient evidence that the average times of going through the average times of going through the drive thru of a fast food restaurant is drive thru of a fast food restaurant is greater then going inside.greater then going inside.

Confidence Interval Confidence Interval

X ± (t*)(s/ n) =( -.295, .62834)X ± (t*)(s/ n) =( -.295, .62834) We are 99% confident that the mean We are 99% confident that the mean

difference of Drive thru times and difference of Drive thru times and inside times is between -.295 inside times is between -.295 and .62834 mins.and .62834 mins.

AssumptionsAssumptions

StateState

1.1. SRSSRS

2.2. Normal Pop.Normal Pop.oror

NNdd > 30 > 30

Check

1.1. Used Used yellowpages.com yellowpages.com to find random to find random restaurantsrestaurants

2.2. 150 > 30 check150 > 30 check

Test TwoTest Two

Ho:Ho: µµd d = 0= 0

Ha:Ha: µ µd d ≠ 0≠ 0

T= = 4.0414T= = 4.0414

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

nsx

ConclusionConclusion

We reject Ho in favor of Ha because We reject Ho in favor of Ha because the p-value of .0156 is greater then the p-value of .0156 is greater then αα = .05.= .05.

We have sufficient evidence that the We have sufficient evidence that the observed drive thru times were not observed drive thru times were not equal to the national drive thru equal to the national drive thru averagesaverages..

Margin Of ErrorMargin Of Error

ordering different things or amount in ordering different things or amount in which you orderwhich you order

different time of day (how busy)different time of day (how busy) Number of people on shiftNumber of people on shift who serves youwho serves you timing not accurate(human error)timing not accurate(human error)

Personal AnalysisPersonal Analysis

The collection of data we did find The collection of data we did find somewhat difficult just because of the somewhat difficult just because of the huge amount of data needed. huge amount of data needed.

We started out by buy all the food We started out by buy all the food ourselves but then reverted to just ourselves but then reverted to just timing people because of costs.timing people because of costs.

Project was fun but challengingProject was fun but challenging

Personal Thoughts Cont.Personal Thoughts Cont.

The Results for test The Results for test one were surprising one were surprising because we because we expected the drive expected the drive thru times to be thru times to be faster. faster.

The results for test The results for test two were surprising two were surprising also because they also because they did not fit the did not fit the national averagesnational averages

Application

We find this We find this applicable to any applicable to any person wanting to person wanting to get food in a hurry.get food in a hurry.

Not always is what Not always is what people try to people try to advertise is always advertise is always true.true.

Fast restaurant = Fast restaurant = WENDY’SWENDY’S