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Chapter 7
7.1 a 0, 1, 2, b Yes, we can identify the first value (0), the second (1), and so on. c It is finite, because the number of cars is finite. d The variable is discrete because it is countable. 7.2 a any value between 0 and several hundred miles b
Homework 1
OMIS 40
Question 1
At Cedar Rapids Community College, administrators want to determine the average
commuting distance for their students who commute to school. They randomly select 250
students who commute and ask them the distance of their com
In Class Exercise #5
Solutions
Question 5.1
The number of accidents that occur on a busy stretch of highway is a random variable.
1. What are the possible values of this random variable?
2. Are the values countable? Explain?
3. Is the random variable disc
Homework 4
OMIS 40
Question 1
Show all work. The amount of time it takes for a student to complete a statistics quiz is
uniformly distributed between 30 and 60 minutes. One student is selected at random.
(a) what is the probability that the student requir
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Automated Reports
and Analytics With R
S Nandagopalan (Nandu)
Statistician, Intel Corp.
Statistical
theory and
methods
Software
tools for data
analysis
Statistician/
Data Analyst
Communication
and sharing
(reports and web
analytics)
5/21/16
S Nandagopalan
OMIS 3350 DECISION MAKING AND ANALYSIS
Case Study Descriptive Statistics
One of the biggest obstacles to making a start on climate change is that it has become a
clich before it has even been understood  Tim Flannery, The Weather Makers: How
Man Is Chang
A/B Testing
Mike Davis
https:/www.linkedin.com/in/michaeladavis1
November 19, 2015
50 / 50 Split  Old vs. New  Which did better?
Old: 490 signups for every 17500 hits (P1 = 2.8%)
New: 980 signups for every 17500 hits (P2 = 5.6%)
Action
Why and How?
1.
W
PROBLEM 1
True or false (yes or no, 1 or 0) problems with wronganswer penalties: a) A (d1, d2, p1, p2)sensitive
function is a continuous function. b) The goal of ANDconstruction of a (d1, d2, p1, p2)sensitive function
is making the small probability g
Cloudera Distributed Hadoop (CDH)
Installation and Configuration on
Virtual Box
By
Kavya Mugadur
W1014808
1
Table of contents
1.What is CDH ?
2. Hadoop Basics
3. Ways to install CDH
4. Installation and Configuration of CDH on Virtual
machine.
5. Running M
A BagofWords based Ranking
method for the Wikipedia Question
Answering Task
Authors of Paper : Davide Buscaldi and Paolo Rosso
Presentation by : Shrutiben Pavagadhi
(89039)
Team members:
Anusha (87920)
Manasi (88851)
Agenda
Overview
System Description
B
CS850C HW Assignment #1 (Week 2, due 6/76/13)
Shrutiben Pavagadhi : ID 89039
Note:
1) Type you answers/solutions briefly and turn them in by due day
2) Paperless submission preferred, but include proper subject line with your ID
3) Submit your homework t
CS850C HW Assignment #2 (Week 2, due 6/76/13)
Shrutiben Pavagadhi : ID 89039
(a) From Normal probability table 0.75 is between 0.67 aand 0.68 and nearest to
0.67
So Z score = 0.67
(b) Mean insurance cost, = $1650,
Cut off for 75th percentile, x = $1800
(c
CS850C HW Assignment #1 (Week 2, due 6/76/13)
Shrutiben Pavagadhi : ID 89039
Note:
1) Type you answers/solutions briefly and turn them in by due day
2) Paperless submission preferred, but include proper subject line with your ID
3) Submit your homework t

Problem 1
True or false (yes or no, 1 or 0) problems with wronganswer penalties: a) If there are n
items, the triangular matrix will be better than a triple method if at least 1/3 of the C(n, 2)
possible pair actually appear in some basket. b) If a sub
Problem 1 True or false (yes or no, 1 or 0) problems with wronganswer penalties:
a) To maximize parallelism in Hadoop, we prefer more reduce tasks then compute
nodes.
False
If we want maximum parallelism, then we could use one Reduce task to execute each
Andrew (Patrick) Chen
OMIS 40 Foaud
Memo on Measure of Central Tendency
How the Average Triumphed Over the Median, was definitely an interesting read. It is probably one of the
first times that Ive read the history of how certain measurements in mathemati