Department of Public Health
Course: Biostatistics I (AH)
Due: February 12 (F) and February 15 (M)
Q1 In a study of physical endurance levels of male college freshman in NSU, the endurance scores based
on several exercise routines were collect
Bar charts are commonly used to describe categorical data. Height of bar shows the
frequency for each category.
Example: NSU students by Departments
Texas A&M University-Commerce
Simple Linear Regression
Regression Model: The equation that describes how y is
related to x and an error term.
Simple Linear Regression Model:
y = 0 + 1x +
Parameters: The characteristics of the pop