Rowvariab
le
Ch. 6 Two way tables use when looking for a link between 2 variables (probability & distribution)
Have explanatory and response variables (ex. Gender and highest degree obtained)
Highest Degree Obtained
Male
Femal
e
Total
Left HS
83
106
189
Topic 12: Normal Distributions: How to use a Z-table
How to write that a variable has a normal distribution: X ~
(, 2)
Z-distribution on a Z-curve (represents probabilities)
o find the probability that.
o Distribution of z-scores is on the z-curve
o Varia
Topic 1:
Statistics- the science of reasoning from data to reach an inference Data- collected samples of
information
Observational Units Objects described by a set of data (people, animals, entity making observations on) ex.
Students
Variable: Characteris
Topic 19: Confidence Intervals with Means
Symbols
s sample standard deviation (true variance)
- range of values for true population mean
x - sample average mean
Used when sampling distribution of a sample mean is no longer distributed (because of
the adj
Math (MTH) 1
MATH (MTH)
MTH007. Intermediate Algebra. 0 Credit Hours.
A non-credit, pre-college course in intermediate algebra stressing
graphing and equation solving, algebraic manipulation, laws of exponents
functions, and logarithms.
MTH090. Precalculu
Measures of Spread:
FNS:
Outliers- observations thatbetween largest
Modified boxplots:
-Range: difference are far away from
Min, max, median, LQ, UQ
data
-Identify for boxplot
and smallest value inoutliers
* form basis distribution
Possible explanations 1
Megan Lee
Professor LeBron
ENG 200-01
September 20, 2013
The objective of the murders in both Killings by Andrew Dubus and A
Rose for Emily by William Faulkner dealt with the concept of love. Ironically,
both of these stories start off at a funeral and ar
Critical #6
A.)
First I made an objective equation with the last sentence in the problem; making X1:Basic Set,
X2:Regular Set, and X3:Deluxe Set. Then, I made three inequalities from the information given.
For example, the first inequality was for the amo
Math 120 Critical #1
A.)
First, I substituted the objects with variables. X for the number of widgets, Y for the number of
gidgets, and Z for the number of sprockets.
Secondly, I made two different equations from the information given. The first equation
Critical #4
A.)
First, I made a matrix with the numbers of items needed for each agriculture, textile,
manufacturing and shipping.
With the equation D=(I-A)X , to find the amount of production needed, I found (I-A) by
subtracting the matrix I made from th
Math 120 Critical #2
A.)
First, I substituted the food with variables. X for the number of hot dogs, Y for the number of
bacon cheese burger, and Z for the number of chips and dip platter.
Secondly, I made two different equations from the information that
Critical #3
A.)
First I substituted each category with a variable (young=x, balanced=y, mentoring=z).
Then I made three equations based off of the information that was given.
B.)
Second I used the numbers from the equations I made to come up with a coeffi
Megan Lee
Estimation Problem #3
To estimate the amount of soda that will be consumed from the 8th-24th of February, I found the
hours of the Le Moyne dinning hours. On Monday-Friday Breakfast serves from 7:45am10:30am, Lunch serves from 11:00am-2:30pm, an
Megan Lee
Estimation Problem 2
First, I looked up on google maps the distance from Le Moyne College to the Rockefeller Plaza.
The closes route it gave me was the I-81 south, which is approximately 251 miles. This route is
made for cars; therefore, the amo