Rockford High School
AP Statistics
Chapter 1 Note Packet
Mrs. Shutich
www.mrsshutich.weebly.com
2014-2015
How to Organize a Statistical Problem:
1. _:
Whats the question that youre trying to answer?
2. _:
How will you go about answering the question? What
LinearTransformations
Wechangetheoriginalvariablexintoanewvariablexnew
wherexnew=a+bx.
up
down
addingashiftsallthevaluesofx_or_
unitofmeasure
multiplyingbybchanges_
Example
2013SalariesforDetroitTigers
InMillions:
a)
explorethedata(SOCS)
b)
Supposeeachmem
Chapter1:ExploringData
Section1.1DisplayingDistributionswithGraphs
Graphsforcategoricalvariables:
PieChart
1._
BarGraph
2._
MusicGenre
Country
Rock MusicGenre
Pop
Christian
Alternative
Graphsforquantitativevariables:
DotPlot
1._
StemPlot
2._
usewith
small
HowtoOrganizeaStatisticalProblem:
State
1._: Whatsthequestionthatyouretryingtoanswer?
Plan
2._: Howwillyougoaboutansweringthequestion?
Whatstatisticaltechniquedoestheproblemcallfor?
Do
3._: Makegraphsandcarryoutneededcalculations?
Conclude
4._: Giveyourpr
Whatisstatistics?
data
Statisticsisthescienceoflearningfrom_
(numberswithacontext).
collection
A Population is the complete _ of elements
to be studied (scores, people, measurements, etc).
subcollection
A Sample is a _ of elements drawn
population
from th
Practice Test 1B Solutions
1. b
5. b
9. e
2. b
6. c
10. d
3. c
7. e
4. a?
8. c
11.
(a)
Males: min=96.3, Q1=97.6, M=98.1, Q3=98.6, max=99.5
Females: min=96.4, Q1=97.95, M=98.4, Q3=98.8, max=100.8
(b)
(c)
12.
For females IQR=0.85. So the upper cutoff =100.0