6/7/2017 WAMAP Assessment
Checkpoint 8A
Name: Eddy Mahon
#1 Points possible: 5. Total attempts: 3
A teacher is experimenting with a new computerbased instruction and conducts a study to test its
effectiveness. In which situation could the teacher use the
6/1/2017 WAMAP Assessment
Checkpoint 7C
Name: Eddy Mahon
PLEASE READ THESE INSTRUCTIONS BEFORE YOU BEGIN
This Checkpoint is primarily designed to help YOU assess your own understanding of the ideas presented in
the preceding sections.
0 You have THREE att
6/5/2017 WAMAP Assessment
8.1 Introduction to Case C>Q
Name: Eddy Mahon
8.1 Introduction
In previous Topics we performed inference for one variable. More specifically, we learned about inference
for the population proportion p (when the variable of intere
5/23/2017 WAMAP Assessm ent
7.1 Overview
Name: Eddy Mahon
7.1 Introduction
Introduction
We are in the middle of the part of the course that has to do with inference for one variable.
So far, we talked about point estimation and learned how interval estima
5/16/2017 WAMAP Assessm ent
6.1 Inference
Name: Eddy Mahon
6.1 Introduction
Recall again the Big Picture, the fourstep process that encompasses statistics: data production, exploratory
data analysis, probability and inference.
We are about to start the f
5/17/2017 WAMAP Assessm ent
6.4 TDistribution
Name: Eddy Mahon
t Distribution
The t Distribution
What if G is unknown?
As we discussed earlier, when variables have been wellresearched in different populations it is reasonable
to assume that the populati
6/3/2017
HW7
WAMAP Assessment
Name: Eddy Mahon
PLEASE READ THESE INSTRUCTIONS BEFORE YOU BEGIN
Attempts
You have 5 attempts per problem.
If you get the correct answer on the first or second attempt, you get full credit for that answer.
For each answer you
6/8/2017 WAMAP Assessment
8.3 Matched Pairs
Name: Eddy Mahon
8.3 Introduction
Comparing Two MeansMatched Pairs (Paired ttest)
We are still in Case C>Q of inference about relationships, where the explanatory variable is categorical and
the response variab
5/28/2017 WAMAP Assessm ent
Checkpoint 7A
Name: Eddy Mahon
PLEASE READ THESE INSTRUCTIONS BEFORE YOU BEGIN
This Checkpoint is primarily designed to help YOU assess your own understanding of the ideas presented in
the preceding sections.
0 You have THREE a
5/16/2017
6.2
WAMAP Assassm ent
Point Estimation
Name: Eddy Mahon
6.2 Introduction
Introduction
As we mentioned at the end of the introduction, the first part of the inference unit will deal with inference
for one variable. Recall that in the Exploratory
5/16/2017 WAMAP Assessm ent
Checkpoint 6A
Name: Eddy Mahon
PLEASE READ THESE INSTRUCTIONS BEFORE YOU BEGIN
This Checkpoint is primarily designed to help YOU assess your own understanding of the ideas presented in
the preceding sections.
0 You have THREE a
5/18/2017 WAMAP Assessm ent
6.5 Confidence Intervals for Proportions
Name: Eddy Mahon
6.4 Introduction
Introduction
As we mentioned in the introduction to this module, when the variable that we're interested in studying in
the population is categorical, t
WAMAP Assessment
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Mathematica Quick Reference Sheet
Note: The purpose of this reference sheet is to give you quick reminders of the commands, shortcuts and general syntax rules that you learned in theSCCC Mathematica Tutorial. For more information see Tutorial.
Clear [ x ,
Sample Questions
1) Solve the following limit problems, using the method indicated:
. t2 9
a) ggm (use algebraic techniques, as in chapter 2)
1x+lnx
1. 9 ' 7 l h
b) xlnml + c 073 (use L Hospltal s RuL 1 " X + in X
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 + C05 (W)
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intersection, how fast is the distance between the cars changing? Is the distance
increasing or decreasing?
Newtonville
>
Car
A
LCar
B
5) Find the absolute minimum and maximum values of y = x3 9x + 8 on the interval
[3,1].
6) On what intervals is f(x) =
Name: _
Class Time:
_
MATH 151 Reading Assignment
2.1 Stewart
Answer the following questions after you read through the section briefly.
What does the word tangent mean in Latin?
What does the word secant mean in Latin?
In your own words, describe what t
Data basics
* Individuals/cases/observation are the objects described in a set of data. Individuals may be people,
animals, plants or things.
* A variable is any property that characterizes an individual. A variable can take different values for
different
More Examples of Histogram:
1. One way to measure intelligence is with an IQ score. Table #6.4.2 contains 50 IQ scores.
Comment on the distribution.(SOCS)
IQ Scores:
Histogram for IQ scores:
2. Cholesterol data was collected on patients four days after ha
Math 238
Quiz 4 Answers
In this quiz you will analyze the following system of differential equations:
= 2
= 4
1.) Write this system in the form
)
= AY with matrix of coefficients A = (
=
=(
( )
1 2
)( )
1 4
2.) Write the characteristic polynomial ( )
Math 238
Quiz 3 Answers
2
1.) Secondorder equation. Guess two solutions for the equation 2 + 2 = 0
.
We guess there might be a solution like = . We take derivatives of our guess:
= and
2
2
= 2 and plug these back into the equation to get:
2 + 2 = 0 (
Math 238 Midterm Practice Problems
Separation of Variables (Section 1.2)
Find the general solution of the following equations:
1.)
2.)
3.)
Equilibria and the Phase Plane (Section 1.6)
Sketch the phase lines for the given differential equation. Identify th
Math 238
Quiz 2 Answers
1.) Autonomous equations. Sketch the phase line for the autonomous differential equation
= 2 and label the sources and sinks.
Equilibrium points:
2 = 0 sin = 0
=
Phase line:
There are no
sources or sinks
0
If then 2 > 0
2.) Bifur