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For adult men, is the amount of money spent per week on fast food related to body weight?

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. Purpose. We intend to understand: -If fast food causes an increase in body weight for adult men

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For adult men, is the amount of money spent per week on fast food related to body weight?

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  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

  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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