March 11, 2015
Dear Parents / Guardians:
This is an information packet in which you will find details regarding what your child will be doing in
Statistics during trimester 3. Included are my guidelines for classroom behavior and grading
procedures. I wou
2-7 Exploratory Data Analysis (EDA)
1.
A _ plot is a method of graphically
Stem
sorting and arranging all data to reveal the
shape
_ of the distribution.
(smalldatasets)
&outliers
2.
box
A _ plot is a graphical representation of the
_ of a data set using
2-4 Measures of Central Tendency
1.
Mean
_/average represents the central location of
a data set found by taking the sum of a set of scores
divided by the number of scores.
sigmameans
summationof
sample mean
=mu
population mean
2.
Median
_ is the middle v
1-3 Uses & Abuses of Statistics
Uses of Statistics:
Abuses of Statistics:
sample
1.
using small _ sizes
collecting
2.
inappropriate methods of _ data
percentages
3.
misleading/unclear _
visuals
4.
deceiving _ that exaggerate/de-emphasize
the true nature o
2-6 Measures of Position
Zscore
_/standard score is the number ofstandarddeviations
_
1.
that a given value x is above or below the mean. (Round 2 decimal places)
z= datamean
sample:
stddev
population:
a.
comparisons
Useful for making _ between different
Chapter1(IntroductiontoStatistics)Notes&Examples
data
Statistics is the science of _ a collection of
methods to
1.
2.
3.
4.
5.
collect
_ data.
organize
_ data.
summarize
_ data.
_ & _ data.
analyze
interpret
draw _ based on data.
conclusions
(inferences)
Chapter 2 (Descriptive Statistics) Notes & Examples
quantitatively
Descriptive
_ statistics _describe or
summarize the important characteristics of a known set of data.
Inferential
sample
_ statistics use _ data to
make inferences about a population that
2-5 Measures of Variation
1.
Range
_ is the spread of a data set found by taking the difference
max
between the _ & _ values.
min
2.
Standarddeviation
_ is a measure of the
average difference of scores from the _.
mean
sample s.d.
=lowercase
sigma
populat