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
Introduction to Statistics!
Professor Golam Moinuddin, PhD."
CHAPTER 1: !
WHAT IS STATISTICS?"
Statistics is a group of methods used to collect,
analyze, present, and interpret data and to make
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
Bar charts are commonly used to describe categorical data. Height of bar shows the
frequency for each category.
Example: NSU students by Departments