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Math 1040 Term Project

Math 1040 Term Project. Skye Galley London Pope Brittany Wooten . Our Research Question:. Is length of forearm related to length of hand?. Summary of Project.

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Math 1040 Term Project

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  1. Math 1040 Term Project Skye Galley London Pope Brittany Wooten

  2. Our Research Question: Is length of forearm related to length of hand?

  3. Summary of Project • Our first variable was the length of a person’s forearm and our second variable was the length of a person’s hand. The unit of measurement was in inches. • Our group gathered data from 60 random people, half were men and half were women. We then measured the length of their forearm (from elbow to wrist) and their hand length (from wrist to top of middle finger) and recorded our data.

  4. Statistics for First Quantitative Variable(Length of Forearm) Mean: 11.242 inches Standard Deviation: 1.696 inches Range: 11 inches Mode: 11 Outliers: 18 inches Five-number summary: minX= 7 inches Q1= 10.5 inches med= 11.25 inches Q3= 12 inches maxX= 18 inches

  5. GraphsFirst Quantitative Variable(Length of Forearm)

  6. Statistics for Second Quantitative Variable(Length of Hand) Mean: 7.129 inches Standard Deviation: 0.608 inches Range: 3.25 inches Mode: 7 inches Outliers: 5 inches Five-number summary: minX= 5 inches Q1= 7 inches med= 7 inches Q3= 7.5 inches maxX= 8.25 inches

  7. GraphsFirst Quantitative Variable(Length of Hand)

  8. Resultsscatter plot that includes line of regression

  9. Statistics for testing the correlation between the two variables Linear Correlation Coefficient: 0.66768825 Line of Regression Equation: y= 4.4385785+ 0.23934068

  10. Analysis, Interpretations, & Conclusion • The linear correlation coefficients from our research are 0.668 and 0.898 , which is close to +1, meaning there is a strong relationship between our X and Y variables. • One of the people we measured had a long forearm (18 inches!) our data became thrown off and skewed. • Because of our high correlation coefficients we conclude that there is a strong relationship between length of forearm and length of hand.

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