SAMPLE MIDTERM EXAM
STAT 1051-10 FALL 2011
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Fall 2013
S 1 Quiz 4: Monday, September 30, 2013
1] On a day in December the probability that it will snow in Moscow is 0.7 and the
probability that it will snow in Boston is 0.4. Assume independence be
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5 I Monday, October 21, 2013
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Name. SAMPLE FINAL EXAM
STAT 1051-10 FALL 2012 Answer all questions. Please show full work for partial credit. The students must honor the GW code of academic integrity during the exam. 1) A sample of eight workers in a clothing manufacturing company gave
SAMPLE MIDTERM EXAM
STAT 1051-DE
SUMMER 2016
Answer all the questions. Please show full work for partial credit. Students are
expected to abide by the GW honor code of academic integrity.
1) An engineer is interested in travel patterns in Washington D.C.
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Fall 2013
5\ Quiz 9: Monday, November 18, 2013
You must show all work to receive full credit.
1) A random sample of adults in a city will be interviewed to decide if a nuclear plant
should be reopened. It is
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Quiz 8: Monday, November 11, 2013
You must show all work to receive full credit.
1) To decide if a nuclear plant has to be reopened, a random sample of 500 adults in that
city were interviewed
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Stat 1051-11
Fall 2013
S / Quiz 7: Monday, November 4, 2013
You must show all work to receive full credit.
1. Household incomes in Greenwich, CT have a mean of $180,000 and standard deviation of
$40,000. A random sample of 100
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Fall 2013
SI Quiz 6: Monday, October 14, 2013 ', \
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1) Let Z be a standard normal random variable with mean u = 0 and standard
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Chapter 4
The Concept of Random
Variables and
Probability Distributions
The Random Variable
A random variable is a variable that
assumes numerical values associated with
the random outcomes of an experiment
where one and only one numerical value is
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5 I Quiz 1: Monday, September 9, 2013
1. A city police officer using radar, checked the speed of 26 cars as they traveled
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The SAS System
April 29, 2012 126
16:02 Sunday,
The REG Procedure
Model: MODEL1
Dependent Variable: risk
Number of Observations Read
Number of Observations Used
108
108
Analysis of Variance
Pr > F
<.0001
Source
DF
Sum of
Squares
Mean
Square
F Value
Model
STAT 2118 Project #2: Multiple Regression
For this assignment use the data set senic.xls, which is on blackboard. This data set consists of a
random sample of 113 hospitals. The objective is to study the infection risk and what factors
influence it. The v
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Project 1 / STAT 2118 / RECITATION 31 (TUESDAYS 2:20-3:10)
1
STAT 2118 Project #1: Simple Linear Regression
1. Answer the following for the variables Carbon Monoxide (dependent variable) and
Tar (independent variable).
a. Make a scatterplot of th
April 29, 2012
The SAS System
49
17:58 Sunday,
The REG Procedure
Model: MODEL1
Dependent Variable: risk
Number of Observations Read
Number of Observations Used
110
110
Analysis of Variance
Pr > F
<.0001
Source
DF
Sum of
Squares
Mean
Square
F Value
Model
4
STAT 2118 Project #2: Multiple Regression
For this assignment use the data set senic.xls, which is on blackboard. This data set consists of a
random sample of 113 hospitals. The objective is to study the infection risk and what factors
influence it. The v