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For adult men, is the amount of money spent per week on fast food related to body weight? By: Chad Vigil, Jeannette Watson, Jason Williams, Amanda Webster,

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Presentation on theme: "For adult men, is the amount of money spent per week on fast food related to body weight? By: Chad Vigil, Jeannette Watson, Jason Williams, Amanda Webster,"— Presentation transcript:

1 For adult men, is the amount of money spent per week on fast food related to body weight? By: Chad Vigil, Jeannette Watson, Jason Williams, Amanda Webster, Kylee West

2 Purpose We intend to understand: -If fast food causes an increase in body weight for adult men -"For adult men, is the amount of money spent per week on fast food related to body weight?” If no link is found: discuss alternative causes for increased body weight for adult men

3 Study Design A list of adult male individuals was made Each adult male was assigned a number Numbers generated randomly using Excel Each adult man corresponding to the drawn numbers will be surveyed Simple random sample will be achieved Data will be collected with a printed questionnaire asking two questions: 1) How much money do you spend on fast food each week? 2) What is your body weight?

4 Data $ Spent on Fast Food/WeekBody Weight (lbs.) 7155 30180 35200 22250 8205 17170 18172 20150 25205 33221 65183 7230 15225 30145 35166 15175 25182 30185 50250 45210 15163 22190 20157 25201 27217

5 Variable Statistics for: Amount of Money Spent on Fast Food per Week Mean: 25.64 Standard Deviation: 13.5027 Five-number summary: 7, 16, 25, 31.5, 50 Range: 58 Mode: 15, 25, 30 Outliers: 65

6 Histogram

7 Boxplot

8 Variable Statistics for: Body Weight of Participants Mean: 191.48 Standard Deviation: 29.6944 Five-number summary: 145, 168, 185, 213.5, 250 Range: 105 Mode: 205, 250 Outliers: none

9 Histogram

10 Boxplot

11 Regression Analysis Linear Correlation Coefficient:.172 Equation for line of regression: ŷ=.3781x + 181.79

12 Scatterplot with Line of Regression

13 Difficulties/Surprises Opposing interests in research volunteers made topic selection difficult Communication amongst research volunteers Data collaboration Hesitant participants

14 Analysis Critical Value=.396 Correlation Coefficient=.172 Correlation Coefficient shows there was no relationship between the two variables

15 Interpretation and Conclusion Correlation Coefficient=.172 For adult men, the amount of money spent per week on fast food IS NOT related to body weight Potential causes for increased body weight: Physical inactivity Extracurricular activities (video games, television, etc.)

16 Future Studies Obtain larger sample size Replace body weight (lbs.) with the randomly selected individual’s BMI


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