Dustin Fife
1/2
Writing Assignment
Data Collection and Report
The best way to learn statistics is to practice doing data analysis with something that you are interested
in. The purpose of this activity is to give you a chance to collect data on something
Name:
TA:
Score:
/30
Psychology 2003Introduction to Statistics
Group Quiz 4
For each of the questions, do the following:
1.
2.
3.
4.
State the statistical hypotheses
Compute Zobt and look up pobt
State the critical Z and p values
Make a conclusion
1. Jack
Name:
TA:
Score:
/36
Psychology 2003Introduction to Statistics
Group Quiz 5
For each of the questions, do the following:
1.
2.
3.
4.
State the statistical hypotheses
Compute Zobt and look up pobt
State the critical Z and p values
Make a conclusion
1. Jack
MATH 151.003
Section 58 Compound Events
and the Laws of Probability
4/4/2006
Compound Events
Example: (at least) 2 different blood type classifications ABO and Rh-antigen factor
Description:
Notation:
Venn Diagrams:
page 1 of 4
MATH 151.003
Section 58 Com
Linear Regression and Correlation Notes
Suppose there is a data set of n data points (x i , y i ) where you have plotted these using a scatter
plot and it appears that a linear relationship between them is reasonable. Then the least-squares
line (regressi
Some well-known difference equations and their equilibria
NAME
Arithmetic
sequence
EQUATION
x = d
EQUILIBRIA
none
STABILITY
A = 0 if
R 1
stable if
xn +1 = xn + d , ( d 0 )
xn = x0 + d n
Geometric
sequence
x = k xn
xn +1 = R xn , ( R = 1 + k )
solution: xn
Drug testing example for conditional probability
Suppose that a drug test for an illegal drug is such that it is 98% accurate in the case of a
user of that drug (e.g. it produces a positive result with probability .98 in the case that the tested
individua
STAT 1450 Recitation Activity 1
Foundational Items and Instructional Technologies
Student Name: Deja Bell
TA Name:
James Willard
Date:
January 11th,2017
OBJECTIVES
Students will review course policies and expand their support network.
Students will asse
STAT 1450 Recitation Activity 3
Normal Distributions
Student Name: _
Date:
_
OBJECTIVES
Students will review select concepts regarding numerical descriptions of data.
Students will use JMP to produce graphs and summary statistics.
Students will apply t
Week 2 Assignment
1. Six hundred accidents that occurred on a Saturday night were analyzed. Two items
noted were the number of vehicles involved and whether alcohol played a role in the
accident. The numbers are shown below:
Did alcohol play a role?
Yes
N
Name:
TA:
Score:
/55
Psychology 2003Introduction to Statistics
Individual Quiz 2
1. Plot the dataset using the data listed (6 points).
X
15
2
7
4
8
4
12
12
8
6
13
5
11
7
6
2
8
5
9
13
10
Y
4
0
0
5
10
2. Compute the correlation between X and Y (14 points).
Name:
TA:
Score:
/20
Psychology 2003Introduction to Statistics
Group Quiz 3
Section 1. Z score questions
The mean IQ for all people is 100 with a standard deviation of 15. Also, there are 312,351,445 people in the
U.S. Use that information to answer the f
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TA:
Score:
/30
Psychology 2003Introduction to Statistics
Bob wants to determine whether his homemade balding therapy works. Suppose the proportion of missing
hair among middle aged men is = .16 with a standard deviation of .08 (i.e., = .08).
1. Supp
Name:
Psychology 2003Introduction to Statistics
Practice Exam, Form A
Short Answer (10 pts each)
For each of the following questions, be sure to
1. State the statistical hypotheses,
2. Compute the Z and p values,
3. State the critical Z and p values, and
z-score of 1.29 on the table it shows a score of .0985 which is
larger than .05 so the hull is rejected.
the zscore is -.6495 on the table its .2611 which is also larger
than .0525.
Name:
TA:
Score:
/20
Psychology 2003Introduction to Statistics
Individual Quiz 1
1. Compute the range, variance, and standard deviation for the following dataset (7 points):
434231253
2. Add 10 to each of the scores in the previous question. What is the n
Names:
TA:
Score:
/60
Psychology 2003Introduction to Statistics
Group Quiz 1
For each of the following questions, use the following dataset:
6 6 8 11 6 6 11 9 12 14 8 12 13 10 8 8 10 8 6 14
1. Plot the data using the most appropriate frequency plot, assum
Name:
TA:
Score:
/40
Psychology 2003Introduction to Statistics
T Tests
For each of the following questions, be sure to
1.
2.
3.
4.
5.
State the statistical hypotheses,
Compute the t,
State the critical t and p values,
Compare tcrit to tobt , and
Make a co
Name:
TA:
Score:
/25
Psychology 2003Introduction to Statistics
t statistic and r test
For each of the following questions, be sure to
1.
2.
3.
4.
5.
State the statistical hypotheses,
Compute the t,
State the critical t and p values,
Compare tcrit to tobt
Name:
TA:
Score:
/40
Psychology 2003Introduction to Statistics
T Tests
For each of the following questions, be sure to
1.
2.
3.
4.
5.
State the statistical hypotheses,
Compute the t,
State the critical t and p values,
Compare tcrit to tobt , and
Make a co
Producing
Data Sampling
PSY 2003
Introduction: Key ideas
Sampling is a process
Samples are the results of the process
Sampling theory is about the process
There exists ideal sampling processes that
result in trustworthy samples
Failure to comply with thes