V. Statistical Inference
You must be able to decide which statistical inference procedure is appropriate in a given setting. Working lots of
review problems will help you.
You need to know the difference between a population parameter, a sample statistic,
I. Exploring Data
When you analyze one-variable data, always discuss shape, center, and spread. Remember your S.O.C.S!
Look for patterns in the data first, and then look for deviations from those patterns.
When commenting on shape:
Symmetric is not the sa
Chapter 3
1.
AP Stats
Name:
Find the coefficient of determination (r2) from the correlation coefficient (r).
(a) r = - 0.32
(b) r = 0.13
(c) r = - 0.40
(d) r = 0.93
2.
When comparing the height and weight of 15 randomly selected men, the least-squares reg
II. Surveys, Observational Studies, and Experiments
Know what is required for a sample to be a simple random sample (SRS). If each individual in the
population has an equal probability of being chosen for a sample, it doesn't follow that the sample is an
III. Anticipating patterns: Probability, Simulations, Random Variables
You need to be able to describe how you will perform a simulation in addition to
actually doing it.
Create a correspondence between random numbers and outcomes.
Explain how you will ob
You need to be able to describe how you will perform a simulation in addition to actually doing it.
Create a correspondence between random numbers and outcomes.
Explain how you will obtain the random numbers (e.g., move across the rows of the random digit
On problems where you have to produce a graph:
Label and scale your axes! Do not copy a calculator screen verbatim onto the test.
Don't refer to a graph on your calculator that you haven't drawn. Transfer it to the exam
paper. This is part of your burden
During the Exam
Relax, and take time to think! Remember that everyone else taking the exam is in a situation identical to
yours. Realize that the problems will probably look considerably more complicated than those you have
encountered in other math cours
AP Statistics
Bar & Pie Graphs
Name:
Robbery: The following data represent the number of robberies in 1998.
Type of Crime
Street or highway
Commercial house
Gas station
Convenience store
Residence
Bank
Number of Offenses
(In thousands)
219
61
10
26
54
9
1
1.2 Box Plots
Name:
The table shows the top U.S. based franchises in 1994. The rankings are based on a companys age,
number of units, start-up costs, and growth rates.
1.
Choose an appropriate graph to show the distribution of
the data.
2. Describe the di
Chapter 1: Section 1.2: Finding Outliers
Name:
1. The five-number summary for a dataset is 5, 40, 55, 64, 88 determine if there are any
outliers.
2. The five-number summary for a dataset is in the table from Minitab. Determine if the
maximum is an outlier
AP STATS: Linear Regression
1.
Find the least-squares regression line from the given information.
Mean x = 55
2.
sx = 26.12 mean y = 69.78 sy = 26.47 r = - 0.805
Find the LSRL from the given information.
Mean x = 0.82
3.
Name:
sx = 0.1597 mean y = 4946.56