Statistics 101 Lab Exercise 3: Correlation
This lab can be performed by one student or two in the lab or on another computer that uses
Microsoft Excel as long as the student has access to the data sets required. This lab assumes a
familiarity with the bas
Joshua Norton
Statistics 101
Prof. Farris
6 July 2017
Lab Two: T-test
First, we need to create a sample data with 15 observations based on the cell addresses.
Using Excels OFFSET function simplifies this task. So, our sample data (Table 1) contains final
YourLastName 1
YourFirstName YourLastName
Instructor's Name
Course Title
7 November 2016
In The Twenty-First Century, What Is The Value In Limiting Knowledge? Should People Be
Able To Censor Knowledge Or Should It Be Available In Unlimited Quantities? Wha
Norton 1
Joshua Norton
Prof. Bonfiglio
Crime/Delinquency
5 June 2017
Writing Assignment
It seems obvious to me that at this stage there is not one theory that would correctly
and accurately describe the causes of the occurrence of crimes, the origin of cr
Statistics 101 Lab Exercise 1: Descriptive Statistics
This lab can be performed by one student in the lab or on another computer that uses Microsoft
Excel as long as the student has access to the data sets required. This lab assumes a familiarity
with the
Norton1
Joshua Norton
Prof. Heikkinen
Humanities 6
8 November 2016
Museum Report
Question 1
Ideas that changed the world, from the beautiful science encourages readers to
perceive about the scientific beauty in the context of history. These include breakt
Josh Norton
Prof. Aaron
Pol. Sci. 001
12 July 2016
Critique #4
The main concern for the US was to ensure that third-world states did not fall into
communism or soviet influence. As a result, we saw that the US backed states that resisted soviet
influence,
Norton 1
Josh Norton
Prof. Voorhis
English 101
2 October 2016
Exercise 3
Just because you are related by blood doesnt always mean you are family, sometimes
being family requires more than just blood. Family consists of love that is unconditional, loyalty,
Joshua Norton
Prof. Raskoff
Stats 101
31 March 2017
The variables that I will be using are income, class, sex and age. I chose the four
variables because they are related in that a persons class will be influenced by his/her
income. On the other side, the
Josh Norton
Prof. Southgate
Sociological Analysis
13 March 2017
Application #2
The Stanford Prison Experiment violated the Belmont Report by the assessment of risks
and benefits. The reason being because even thought all the subjects were getting paid, a
Math 266 Exam #3 Review NAME:
Do the following as indicated. Show all your work. NO WORK SHOWN, NO POINTS!
1. Determine if the given sequence is convergent or divergent. Find the limit, if
convergent.
3H
3- cfw_ET @5131ng cfw_Vn2+nn amrw-gfrw'f: cfw_O
11/14/2015
Regression
How can we predict your
grade by knowing how
many beers you drank?
Looking at Relationships
What is the relationship between the number of hours you
study and your grade on the quiz?
Can we predict your grade if we know how many hour
11/14/2015
Correlation
What is the relationship
between the number of
beers you drink and
your grade?
Learning Objectives
Explain the concept of correlation and the difference between
positive and negative correlations
Draw a scatterplot
Compute Pearso
11/5/2015
Z Scores and
Normal Curve Model
Learning Objectives
Your goals in this chapter are to learn:
What a z-score is and what it tells you about a raw
scores relative standing
How the standard normal curve is used with zscores to determine relative fr
Variability
The Estimated Population
Variance and the Estimated
Population Standard Deviation
We use these formulas when we do not
have population (data from entire group we
are interested in) and we use a smaller
group to estimate what it would be for th
Variability
Variability Helps You Answer These
Questions
How spread out are the responses in
this situation?
How different are the answers?
How stretched out or squeezed is a distribution?
Basic Terms
Central tendency
Tell you about the most typical score
11/14/2015
Correlation
What is the relationship
between the number of
beers you drink and
your grade?
Learning Objectives
Explain the concept of correlation and the difference between
positive and negative correlations
Draw a scatterplot
Compute Pearso
Types of Distributions
and Percentiles
Learning Objectives
Know how to compute and organize data into simple
frequencies, relative frequencies, cumulative
frequencies, and percentiles
Know how bar graphs, histograms, and polygons are
created
Know what no
11/14/2015
Regression
How can we predict your
grade by knowing how
many beers you drank?
Learning Objectives
Explain the concept of regression
Name and explain the elements of the regression equation
Compute regression coefficients and fit of a regressi
Variability
Variance
Can find variance and standard deviation for
Sample
Will give you same value, but notated
Population with different symbols
Estimates of a population
Important Standard Deviation Formulas!
Sample Standard
Deviation
Population Standar
10/25/2015
Simple Frequency Tables
and Graphs
Learning Objectives
Know how to compute and organize data into simple
frequencies, relative frequencies, cumulative
frequencies, and percentiles
Know how bar graphs, histograms, and polygons are
created
Know
11/5/2015
Z Scores and
Normal Curve Model
Learning Objectives
Your goals in this chapter are to learn:
What a z-score is and what it tells you about a raw
scores relative standing
How the standard normal curve is used with zscores to determine relative fr
WELCOME TO STATISTICS 101!
Instructor:
Shira Brill
Lets get to know each other.
A little about your instructor
1
Think about these questions
What grade do you hope to earn in this class?
What character traits, habits, or skills do you think
are necessary
10/23/2015
Central Tendency
A Quick Review of Chapter 2
Is this Positively or Negatively
Skewed?
Positive!
1
10/23/2015
Learning Objectives
Understand what measures of central tendency
tell us about data
Understand and compute the mean, median,
and mode a
11/5/2015
Z Scores and
Normal Curve Model
Learning Objectives
Your goals in this chapter are to learn:
What a z-score is and what it tells you about a raw
scores relative standing
How the standard normal curve is used with zscores to determine relative fr
12/6/2015
One-Sample T-test
Learning Objectives
Learn when and how to perform the t-test
Learn how the t-distribution and degrees of
freedom are used
Know what is meant by the confidence interval for
and how it is computed
Demonstrate how to perform sign
11/20/2015
Probability
Learning Objectives
Distinguish between a theoretical and an empirical
distribution and their probabilities
Predict the probability of certain events from
knowledge of the theoretical distribution of those
events
List the characteri
12/6/2015
Hypothesis Testing and Effect Size:
Two-Sample Designs
Learning Objectives
Explain testing of null with two samples
Distinguish between independent-samples and
paired-samples designs
Calculate t-test values for both independentsample and paired-
Analysis of Variance (ANOVA):
One Way Classification
Why Do We Use ANOVA?
Allows us to compare three or more
means to see if significant difference
between them
ANOVA Example
Three groups of students, 5 in each group, were
receiving therapy for severe tes
Hypothesis Testing
Learning Objectives
Understand and explain the key concepts and
procedures used in hypothesis testing
New Statistical Notation
The symbol for greater than is >.
The symbol for less than is <.
The symbol for greater than or equal to
is .