Lab: 8.2
1) For the following table, find the 95% confidence interval for the true
difference in the population proportions. Is there enough evidence to say
that there is a difference in the population proportions?
Sample Size
x
Population 1
200
40
Popula

Chapter 1: Review - Solutions
1.1
1) For the following questions, decide whether the data collected would be
numerical or categorical:
a) How often do you workout per week?
b) What make is your car?
c) How tall are you?
Numerical
Categorical
Numerical
d)

Chapter One Definitions
Okay, Okay. I know they are boring, but we need them. So here we go.
1.1 Basic Terms:
Statistics is the science of collecting, organizing, summarizing, and analyzing
information to draw conclusions or answer questions.
A population