Stat 302-201 Exam 1 Review
Topic 1: Introduction
1. In general, when we use statistics, does it tell us about populations or individuals?
Statistics tell us about a population as a whole, or on averag
Stat 302-201 Exam 2 Review
Topic 4: Random Variables
1. What does a z-score tell us? A z-score tells us the number of standard
deviations an observed value is from the mean. It is a way of standardizi
Statistics 630
1
The Expectation of a Random Variable
Certain numbers associated with a random variables distribution often provide a
succinct way of summarizing the distribution. If only two numbers
Statistics 630
1 The Likelihood Function
In the previous chapter, we introduced statistical models cfw_P
: which
describe the probability models that could generate the observed data. In this
chapter
Statistics 630
1 Testing Hypotheses
In many statistical applications, the researcher wishes to ascertain whether a
hypothesized value of a characteristic () of the population is consistent with
the ob
Statistics 630
4 Confidence Intervals
Point estimators provide a limited amount of information about the unknown
parameter in that they only specify a single value. A more useful approach to
estimatio
Statistics 630
1 Probability Models
In the first four chapters we covered probability theory and learned how to carry
out calculations based upon knowing the underlying probability model.
Example 42
G
Statistics 630
1 The Bayesian Approach to Parameter Estimation
In the Bayesian approach, we suppose that the unknown parameter is a random
variable with a prior distribution (). For a given value of ,
Statistics 630 - Assignment 10
(due Thursday, November 30, 2017, 11:59 pm)
Name
Email Address
Instructions:
The textbook exercises are in the book by Evans and Rosenthal. This assignment
covers the m
Modern Birkhuser Classics
Sidney I. Resnick
A Probability
Path
Modern Birkhuser Classics
Many of the original research and survey monographs, as well as textbooks,
in pure and applied mathematics publ
Statistics 614
Solutions to Midterm Exam
October 26, 2017
Directions: Work as many problems as you can. If you get stuck on one part of a problem,
go on to the next. In order to receive full credit fo
Statistics 614
Final Exam Solutions
Directions: Work as many problems as you can. If you get stuck on one part of a problem,
go on to the next. In order to receive full credit for a problem, you shoul
Copyright 2013. OUP Oxford. All rights reserved. May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or
applicable copyright law.
2
Basic Ine
Statistics 614
Solutions to Midterm Exam
October 21, 2016
1. True or False, no need to Explain or Prove. (12 points)
a. For two sequences of events cfw_An and cfw_Bn , it is not in general true that
Name:
Statistics 614
Midterm Exam
October 21, 2016
Directions: Work as many problems as you can. If you get stuck on one part of a problem,
go on to the next. In order to receive full credit for a pro
WebAssign
HCL-HW#01-Spring 2017 (Homework)
Current Score : / 58
Kayla Espinoza
STAT 302, section 501,502,511, Spring 2017
Instructor: Hwa Chi Liang
Due : Friday, January 27 2017 11:59 PM CST
1. /1 poi
Name:
PART I
Introduction to Statistics
M&S 19-21
1.12 (6 points) College Application. Colleges and universities are requiring an
increasing amount of information about applicants before making accept
WebAssign
HCL-HW#09-Spring 2017 (Homework)
Current Score : 33 / 38
Kayla Espinoza
STAT 302, section 501,502,511, Spring 2017
Instructor: Hwa Chi Liang
Due : Friday, March 24 2017 11:59 PM CDT
1. 1/1 p
if all Ajare independent
For a series
For a parallel system
Bayes rule the probability of an event, based on prior knowledge of conditions
that might be related to the event.)
cdf
or
Variance
expected
Quiz 8, Section 503 (Feb
Suppose
that X, the weekly earning of a STAT 302 student,
16, 2016)
follows a Normal distribution with mean $340 and standard
deviation $60.
1. What is the chance that a rando
Quiz 10, Section 503
Suppose
that probability
(Feb 23,
2016) that a baby is born with the
chromosomal disorder microcephaly is 0.006 (6 out of
1000). Let X be the number of babies with this disorder
o
Quiz-4, Section 503 (Feb 2, 2016)
Suppose that you collect the age of 120 randomly
chosen STAT302 students, and found the minimum and
maximum age are 18.1 years and 31 years, while Q 1
=19.8 years and
Quiz 9, Section 503 (Feb
Suppose
that probability that a baby is born with the
18, 2016)
chromosomal disorder microcephaly is 0.006 (6 out of
1000). Let X be the number of babies with this disorder
ou
Quiz-2, Section 503 (Jan 26, 2016)
Suppose that for a student 7 blood pressure
measurements were taken, the measurements (systolic)
are
125, 126, 127, 130, 132, 134, 180.
1. What is his average systol
Quiz-3, Section 503 (Jan 28, 2016)
1. Which of the following is not a measure of spread?
a) IQR b) Standard deviation c) First quartile d)
Range
2. Suppose for a dataset, mean=2.5, median=4.1,
s=6.08,
Quiz-1, Section 503 (Jan 21, 2016)
1. Which of the following is a categorical variable?
a) Blood group b) Blood pressure c) Height d)
number of siblings you have
2. Suppose that you have collected blo
Quiz 5, Section 503 (Feb
Suppose
the probability that a child will develop a cavity if
4, 2016)
he does brush regularly is only 0.12. Also, suppose the
probability that a child will develop a cavity i