A H₀: There Is No Association Between Height and Weight

question 6

Essay

a. H₀: There is no association between height and weight.
HA: There is an association between height and weight.
b. The scatterplot looks straight enough, residuals are random and display consistent spread, the histogram of
residuals looks roughly unimodal and symmetric.
c. Reject H? because of the small P-value; there is strong evidence of an association between height and weight. d. 7.30 ± 2.75
e. We are 95% confident that teenage boys gain an average of between 4.55 and 10.05 pounds per inch of height.

---

Definitions:

Bioelectrical Impedance

A method for estimating body composition, particularly body fat, by measuring the resistance to an electrical current as it passes through the body.

Moderate-Intensity Exercise

Physical activity that raises your heart rate to 50-70% of your maximum heart rate, perceived as "somewhat hard."

Overweight

A condition characterized by having more body fat than is optimally healthy, often defined by a Body Mass Index (BMI) over 25.

Android

Referring to an operating system designed for mobile devices or to robotics, a human-like robot.