1. AUGUST 28TH , 2013
Learning outcome :
To Use real data of National statistics to organize,
compare and summarize for an organized project
Launch: Questions
Explore: Part A self project
Homework: p 93 #8
2. In your own words describe what
“income inequality” is. Is it
better to have a high or a low
income inequality?
3. LOOK AT YOUR TABLE FROM YESTERDAY
What is the life expectancy of people in the United
States?
How many countries have a higher life expectancy?
What percentage of countries is that?
How many countries have a lower life expectancy?
What percentage of countries is that?
4. MAKE A HISTOGRAM OF THE INCOME
INEQUALITY DATA.
Window values:
Xmin:
Xmax:
Xscl:
Ymin:
Ymax:
5. DETERMINE THE MEAN AND MEDIAN OF THE DATA
DESCRIBE THE SHAPE OF THE HISTOGRAM.
BASED ON THE SHAPE OF THE GRAPH, DESCRIBE
WHICH MEASURE OF CENTER IS BETTER TO USE.
6. WHAT IS THE U.S. INCOME INEQUALITY?
_____WHERE DOES THIS PLACE THE U.S. ON THE
HISTOGRAM?
HOW MANY COUNTRIES ARE BETTER THAN THE
UNITED STATES? _____WHAT PERCENTAGE OF
COUNTRIES IS BETTER? _______
HOW MANY COUNTRIES ARE WORSE THAN THE
UNITED STATES?_____ WHAT PERCENTAGE OF
COUNTRIES IS WORSE? _____