Transcript Math 1040 – Term Project

Lisa Wilkinson
Krystal Carvalho
“Is Exercise frequency related to Body Mass
Index?”
My first quantitative variable is Exercise. The unit of measurement for
this variable is Number of times exercised per week” A few possible values for
this first quantitative
variable are length of time, frequency, Intensity, and type.
1.
2. My second quantitative variable is Body Mass Index. The unit of
measurement
for this variable is Height & Weight. A few possible values for this second
Quantitative variable are Lifestyle (days exercised per week), Age, and
Gender.
Voluntary Survey
This survey was
handed out to
participants at a local
medical clinic.
Subjects included: 37
obese, overweight, and
healthy individuals in
the
Salt Lake City Valley.
Today’s
Date___________________________________________
_____
Age: ___________________________________
Height: _______________________________ (In Feet
and Inches)
Weight: ______________________________ (Pounds)
Please indicate from the following box the Number of
times per week you participate in aerobic exercise.
Thank you for your participation!!!
Purpose of study:
“Is an exercise program indicative of a person’s body mass
index?(BMI) based on population surveyed and/or does our
study follow the same outcome surveyed by other
statistics?”
Most statistics that have a normal BMI outcome based on
a person’s height and weight, generally have some level of
daily/weekly exercise
“
“For adults, overweight and obesity ranges are determined by using
weight and height to calculate a number called the "body mass
index" (BMI). BMI is used because, for most people, it correlates with
their amount of body fat. An adult who has a BMI between 25 and
29.9 is considered overweight. An adult who has a BMI of 30 or
higher is considered obese”. (Centers for Disease Control and
Prevention)
What does BMI mean?
Body Mass Index (BMI) is an established measure utilized by physicians and health
experts to determine weight status (i.e. underweight, overweight or within a healthy
weight range).
”
How is a Body Mass Index obtained?
Formula: Weight (pounds)
Height (Inches)
Underweight: <18.5
Normal: 18.5-24.9
Overweight: 25-29.9
Obesity: >30
Different types of Charts:
The scatterplot graph shows a line of regression that is
linear, it just does not show a strong correlation.
BMI (variable 2)
40
35
Body Mass Index
30
25
20
15
10
5
0
0
1
2
3
Exercise Levels
4
5
Analysis:
The BMI did not necessarily correlate to the level of exercise an individual did. The data showed an
average BMI of 23.7 with 10 of the 37 individuals surveyed who worked out more than 2 days/week
1hr/day with moderate impact.
BOX PLOTS
COMPARED SIDE BY SIDE
Difficulties/surprises encountered:
We were surprised to find that some individuals didn’t exercise or exercised
very little and still had an average Body Mass Index. Average meaning it was
not over the recommended range that would mean someone would be
considered obese. It was fascinating to see how many adults (age 40-50) have
great BMI’s and are dedicated to exercising frequently; more often than their
younger counterparts. Our survey did not pose the question to learn how long a
participant had been on an exercise schedule when surveyed.
*It should also be noted that just because someone has a high BMI does not
necessarily mean that they are obese. Many body builders have very high Body
Mass Index’s; thus high BMI’s are not excluded to sedentary individuals.