# Test 4: Predict 401-DL
# Last updated: 2015-05-21 by MJG
# Clear workspace
rm(list=ls()
# Assume independent random samples are available from two populations giving
# information about population p
DA #2, self-check
The purpose of this page is to allow students to verify R output and the data objects necessary to
complete Data Analysis #2. R code snippets specific to the Data Analysis assignment
# Predict 401 Data Analysis Project #2
# Problems drawn from Analyzing the Databases in Black chpts 4,5,6,7
#-# Part 1
# Appendix A
#-
hospital <- read.csv(file.path("c:/RBlack/","Hospital.csv"),sep="
Assignment_Week_7
Shailesh Kaushik
May 2, 2017
Question 1
A taste test is conducted using a random sample of consumers. Consumers are presented with two beverages
in random order and asked which they
Assignment_Week_7
Shailesh Kaushik
May 2, 2017
Question 1
A taste test is conducted using a random sample of consumers. Consumers are presented with two
beverages in random order and asked which they
Students Solutions Manual and Study Guide: Chapter 16
Page 1
Chapter 16
Analysis of Categorical Data
LEARNING OBJECTIVES
The overall objective of this chapter is to give you an understanding of two
st
PREDICT 401: Introduction to Statistical Analysis Syllabus
Summer 2013
Philip M. Goldfeder, Ph.D.
[email protected]
Course Description
This course teaches students the fundamentals of
Exam
Name_
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) Suppose that a class of 30 students is assigned to wri
PBA 01 Week 1: Assignment PBA Cohort XIII
Submitted By: SHAILESH KAUSHIK
In this week's readings and video, we learned about predictive analytics: what it is, what it is not
and how it is being applie
Exploratory_Analysis_Assignment_Week6_Iri
s_Data
Shailesh Kaushik
April 24, 2017
BRIEF DESCRIPTION:
The data set contains 3 classes of 50 instances each, where each class refers to a type of iris plan
PBA 01 Week 4: Assignment PBA Cohort XIII
Submitted By: SHAILESH KAUSHIK
Objective: Predict Quality ranking of various wines from their chemical properties
The wine industry shows a recent growth spur
Assignment Week 5
Shailesh Kaushik
April 7, 2017
BRIEF DESCRIPTION:
The dataset is a selection of stock prices from telecommunications companies from January 1988 to October
1991. There are ten compan
Assignment Week 5
Shailesh Kaushik
April 10, 2017
BRIEF DESCRIPTION:
The dataset is a selection of stock prices from telecommunications companies from January 1988 to
October 1991. There are ten compa
Year
Month
2014 Jan
2014 Jan
2014 Jan
2014 Feb
2014 Feb
2014 Feb
2014 Mar
2014 Mar
2014 Mar
2014 Apr
2014 Apr
2014 Apr
2014 May
2014 May
2014 May
2014 Jun
2014 Jun
2014 Jun
2014 Jul
2014 Jul
2014 Jul
FINAL EXAM STUDY GUIDE
Course Learning Objectives
Session 1
Describe the relationships between prediction, co-incidence (correlation), and causation.
Describe different forms of data and levels of mea
Handout: Hypothesis Testing
PREDICT 401: Introduction to Statistical Analysis
Hypothesis Testing
Hypothesis testing uses the tools we have just learned to address questions such as:
1) How likely is t
Hypothesis Test and Confidence Interval for
Single Proportion
Mickelson - Predict 401
EXAMPLE OF DICHOTOMOUS DATA
A Hypothesis Test for a Single Proportion
Madame Bovre, the exceptional psychic and pr
Northwestern
University
Library
Reserve Services
WARNING
CONCERNING COPYRIGHT RESTRICTIONS
The Copyright law of the United States (Title 17, United States Code) governs the making of
photocopies or ot
Students Solutions Manual and Study Guide: Chapter 4
Page 1
Chapter 4
Probability
LEARNING OBJECTIVES
The main objective of Chapter 4 is to help you understand the basic
principles of probability, the
Students Solutions Manual and Study Guide: Chapter 8
Page 1
Chapter 8
Statistical Inference: Estimation for Single Populations
LEARNING OBJECTIVES
The overall learning objective of Chapter 8 is to hel
Students Solutions Manual and Study Guide: Chapter 10
Page 1
Chapter 10
Statistical Inferences about Two Populations
LEARNING OBJECTIVES
The general focus of Chapter 10 is on testing hypotheses and co
Students Solutions Manual and Study Guide: Chapter 5
Page 1
Chapter 5
Discrete Distributions
LEARNING OBJECTIVES
The overall learning objective of Chapter 5 is to help you understand a
category of pro
Students Solutions Manual and Study Guide: Chapter 2
Page 1
Chapter 2
Charts and Graphs
LEARNING OBJECTIVES
The overall objective of Chapter 2 is for you to master several techniques
for summarizing a
Students Solutions Manual and Study Guide: Chapter 3
Page 1
Chapter 3
Descriptive Statistics
LEARNING OBJECTIVES
The focus of Chapter 3 is the use of statistical techniques to describe data,
thereby e
Students Solutions Manual and Study Guide: Chapter 12
Page 1
Chapter 12
Simple Regression Analysis and Correlation
LEARNING OBJECTIVES
The overall objective of this chapter is to give you an understan
Students Solutions Manual and Study Guide: Chapter 9
Page 1
Chapter 9
Statistical Inference:
Hypothesis Testing for Single Populations
LEARNING OBJECTIVES
The main objective of Chapter 9 is to help yo
Heres the Experiment/Situation
Madame Bovre, the exceptional psychic and predictor of futures, can
read minds. As a skeptical statistician, you want to find out if she
is for real or not. You go into
Northwestern
University
Library
Reserve Services
WARNING
CONCERNING COPYRIGHT RESTRICTIONS
The Copyright law of the United States (Title 17, United States Code) governs the making of
photocopies or ot
BINOMIAL EXPERIMENT
1. We observe the outcomes from n repeated identical trials.
2. The outcome of each trial can be classified as a success or a failure.
3. The probability of success, p, remains the
SAMPLING DISTRIBUTIONS
Mickelson
Predict 401
SAMPLING VARIABILITY and SAMPLING DISTRIBUTION
Sampling variability: If we repeatedly choose
samples from the same population, a sample
statistic will take
Programming with R Test #1
Predict 401
Instructions: Follow instructions and use R Markdown to submit your answers. Be sure to
add your name (last name followed by first name) to your submission. Both
MISUSE OF STATISTICS
Author: Rahul Dodhia
Posted: May 25, 2007
Last Modified: October 15, 2007
This article is continuously updated. For the latest version, please go to
www.RavenAnalytics.com/article
Data Scientist: The Sexiest Job of the 21st Century
11/16/17, 5(38 PM
Data Scientist: The Sexiest Job of
the 21st Century
Andrew McAfee and Erik Brynjolfsson
When Jonathan Goldman arrived for work in