Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 16: Random Variables
Key Vocabulary:
random variable
discrete random variable
continuous random
variable
Calculator Skills:
standard deviation
expected value
E(X)
V(X)
1-VarStats L1, L2
1. What
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 6: The Standard Deviation
as a Ruler and the Normal Model
Key Vocabulary:
standard deviation
standardized value
rescaling
z-score
normal model
Calculator Skills:
normalpdf(
parameter
statistic
Bowen Jones
AP Statistics
Houston
27 October 2010
AP Statistics - Investigative Task - Chapter 9: Olympic Long Jumps
The linear model of Olypic Long Jumps since 1896 has a positive slope of about 0.64.
This indicates that every increase in 4 years results
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 26: Comparing Counts
Key Vocabulary:
chi-square test for
goodness of fit
chi-square statistic
expected count
observed count
degrees of freedom
chi-square distribution
components of chi-square
c
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 24: Comparing Means
Key Vocabulary:
two-sample t-interval
two-sample t-test
Calculator Skills:
pooled t-test
2-SampTInt
2-SampTTest
1. Describe the assumptions and conditions that must be met i
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 25: Paired Samples and
Blocks
Key Vocabulary:
paired t-test
paired t-interval
1. Explain why a two-sample hypothesis test is not appropriate for paired data.
2. What type of test is used instea
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 20: Testing Hypotheses
About Proportions
Key Vocabulary:
hypothesis
null hypothesis
reject (the null hypothesis)
Calculator Skills:
f ail to reject (the null
hypothesis)
alternative hypothesis
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 22: Comparing Two
Proportions
Key Vocabulary:
pooling
Calculator Skills:
2-Prop Z-Int
2-Prop Z-Test
1. What conditions and assumptions are necessary for the sampling model of p1 p2 to be
approx
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 18: Sampling Distribution
Models
Key Vocabulary:
parameter
statistic
proportion
sampling distribution
model
Central Limit Theorem
Standard error
1. Explain the difference between a parameter an
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 21: More About Tests
Key Vocabulary:
P-value
statistically significant
alpha level
significance level
Type I Error
Type II Error
power
1. Explain what the p-value represents.
2. What is meant b
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 17: Probability Models
Key Vocabulary:
Bernoulli trials
Geometric model
Binomial model
Calculator Skills:
geometpdf(
geometcdf(
binompdf(
binomcdf(
1. List three characteristics of Bernoulli tr
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 15: Probability Rules!
Key Vocabulary:
trial
outcome
event
sample space
disjoint
mutually exclusive
independent
conditional probability
tree diagram
1. If events A and B are disjoint, then P A
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 13: Experiments
Key Vocabulary:
observational study
retrospective study
prospective study
experiment
random assignment
subjects
participants
experimental units
f actors
levels
treatment
block
c
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 14: From Randomness to
Probability
Key Vocabulary:
probability
trial
outcome
event
independent
Law of Large Numbers
complement
disjoint
mutually exclusive
1. In statistics, what is meant by the
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 11: Understanding
Randomness
Key Vocabulary:
random behavior
random numbers
pseudorandom numbers
Calculator Skills:
simulation
component
outcome
trial
randInt(
1. What is meant by random behavi
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 10: Re-expressing Data
Key Vocabulary:
Re-expression
Calculator Skills:
log(
ln(
LnReg
ExpReg
PwrReg
QuadReg
CubicReg
1. What is meant by re-expressing data?
2. One of the goals of re-expressin
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 8: Linear Regression
Key Vocabulary:
parameter
linear model
predicted value
residual
line of best fit
slope
Calculator Skills:
y
mean-mean point
regression line
2
R
coefficient of determination
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 7: Scatterplots, Association,
and Correlation
Key Vocabulary:
scatterplot
association
direction
Calculator Skills:
f orm
scatter
explanatory variable
response variable
correlation coefficient
r
Stats: Modeling the World - Bock, Velleman, & DeVeaux
Chapter 9: Regression Wisdom
Key Vocabulary:
extrapolation
interpolation
leverage
influential point
lurking variable
homogeneous
1. If a histogram of residuals appears to be bimodal or multimodal, what