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The Following Presentation Includes
Abundant Use of Food Imagery Including,
But Not Limited To, Grilled & Fried Chicken
& Heavily Sauced Chicken Wings.
Look At The Screen At YOUR OWN RISK!
We ARE NOT Responsible for Any
Resulting Growling Tummies!
Which do people prefer:
grilled or fried chicken?
A survey conducted by…
Jamie Reece Moore
Introduction & Background
In a recent national survey, a thousand Americans were polled to
see which they preferred: grilled or fried chicken. Roughly, 78% said
they preferred fried chicken to grilled chicken. We will conduct our
own survey at a local restaurant (Zaxby’s on 901) that serves both
types of chicken. We will compare the results of both the surveys &
test for a significant difference at the .05 significance level.
Hypothesis
We believe that the results of our survey will be
significantly different than those of the
national survey.
H0: p = .78
α = .05
Ha: p ≠ .78
Represents the proportion of
the population who chose fried
chicken over grilled chicken
How We Conducted
Our Experiment
For scheduling reasons, we randomly pulled ONE survey day from a
hat. The hat included 7 slips of paper – one for each day of the
week. Having randomly chosen Tuesday from the hat, we surveyed
those entering the restaurant at 2889 Heckle Blvd from 5-7p.
Furthermore, we randomly selected whom we surveyed by means of
coin flipping. Should the coin land on heads, we polled the person.
Should the coin not land on heads, we would forego polling the
person. The sample size was unregulated & stood at the mercy of
the crowd size at Zaxbys during the survey duration.
The Results of Our Experiment
Number of Respondents: 87
* Nobody declined participating
in the survey
Proportion: 74 13
Expected:
per the national survey statistic of 78%, the
proportion of responses should have reflected
the following based on a sample size of 87:
68 19
Fried Grilled
FRIED
85%
GRILLED
15%
Graphical Comparison
Testing for Significance
We utilized a chi-square test to compare our survey statistic to the
national survey statistic & test for statistical significance.
Our Conclusion
After conducting our survey and performing a Chi-Square test on the
data collected, we have concluded that our results are not
statistically significant. We failed to reject H0 and cannot conclude
that the results of our survey are significantly different than those of
the national survey.
We believe that our geographic region may have positively skewed our
data results, thus explaining why our survey resulted in a greater
“preferred fried chicken” proportion than the national survey did. This
is based solely on the stereotype that southerners are fried chicken
connoisseurs.
Should we conduct a similar survey in the future, we may wish to
survey multiple restaurants at multiple times in attempt to reduce
underlying confounding factors.
Much to our dismay, Zaxby’s did not
sponsor or endorse this survey.
Therefore, no free food was offered
to us or our peers 

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Zaxby's Chicken - Jamie Reece Moore

  • 1. The Following Presentation Includes Abundant Use of Food Imagery Including, But Not Limited To, Grilled & Fried Chicken & Heavily Sauced Chicken Wings. Look At The Screen At YOUR OWN RISK! We ARE NOT Responsible for Any Resulting Growling Tummies!
  • 2. Which do people prefer: grilled or fried chicken? A survey conducted by… Jamie Reece Moore
  • 3. Introduction & Background In a recent national survey, a thousand Americans were polled to see which they preferred: grilled or fried chicken. Roughly, 78% said they preferred fried chicken to grilled chicken. We will conduct our own survey at a local restaurant (Zaxby’s on 901) that serves both types of chicken. We will compare the results of both the surveys & test for a significant difference at the .05 significance level.
  • 4. Hypothesis We believe that the results of our survey will be significantly different than those of the national survey. H0: p = .78 α = .05 Ha: p ≠ .78 Represents the proportion of the population who chose fried chicken over grilled chicken
  • 5. How We Conducted Our Experiment For scheduling reasons, we randomly pulled ONE survey day from a hat. The hat included 7 slips of paper – one for each day of the week. Having randomly chosen Tuesday from the hat, we surveyed those entering the restaurant at 2889 Heckle Blvd from 5-7p. Furthermore, we randomly selected whom we surveyed by means of coin flipping. Should the coin land on heads, we polled the person. Should the coin not land on heads, we would forego polling the person. The sample size was unregulated & stood at the mercy of the crowd size at Zaxbys during the survey duration.
  • 6. The Results of Our Experiment Number of Respondents: 87 * Nobody declined participating in the survey Proportion: 74 13 Expected: per the national survey statistic of 78%, the proportion of responses should have reflected the following based on a sample size of 87: 68 19 Fried Grilled FRIED 85% GRILLED 15%
  • 7.
  • 9. Testing for Significance We utilized a chi-square test to compare our survey statistic to the national survey statistic & test for statistical significance.
  • 10. Our Conclusion After conducting our survey and performing a Chi-Square test on the data collected, we have concluded that our results are not statistically significant. We failed to reject H0 and cannot conclude that the results of our survey are significantly different than those of the national survey. We believe that our geographic region may have positively skewed our data results, thus explaining why our survey resulted in a greater “preferred fried chicken” proportion than the national survey did. This is based solely on the stereotype that southerners are fried chicken connoisseurs. Should we conduct a similar survey in the future, we may wish to survey multiple restaurants at multiple times in attempt to reduce underlying confounding factors.
  • 11. Much to our dismay, Zaxby’s did not sponsor or endorse this survey. Therefore, no free food was offered to us or our peers 