STAT 3025 Practice Examples
1. True or False:
For each statement below, use T if you think it is true; F if you think it is false. You
do not need to justify your answer nor need to show work for this
M3023 M w I W? W
7 (4) ; Mvziwo v5 Ha: ULK/SW
7 0 Z = 1716:; and Z; 7- ~2a
f_,_j,: 94>;wje4af aiw ,
' U PW?H?SB>5 W Z? tiiwiiQ,E!,f%-39:EE'fS3 i 4
e) h<~; _> F9477
_ _., A. A #7.".
7.1 Basic Properties of Confidence Inten/als 275
In general, the upper and lower condence limits result from replacing each < in
(7.6) by = and solving for 6. In the insulating uid example just consid
a. These hypotheses comply with our rules.
b. H0 is not an equality claim (e.g. 0' I 20 ). so these hypotheses are not in compliance.
c. HO should contain the equality claim. whereas Ha does here. so
HW#1 STAT 3025
Due Wednesday, Sep 3rd at the beginning of class
Note: 1. No late submission.
2. For people who havent purchased textbook, please make sure
that you have the correct problem from the bo
(fl.645%,ooj. From 5a, f=4.85,0=.75,andn=20; 4.851.645£=4.5741,so the
1
m
interval is (4.5741,oo) .
c. (oo,f+za 1) ; From 4a, 2 = 58.3 , a = 3.0, and n = 25; 58.3+2.333 = 59.70 , so the interval is
HW#4 STAT 3025
Due Monday Oct 3rd at the beginning of class
Note: 1. No late submission.
2. For people who havent purchased textbook, please make sure that you
have the correct problem from the book.
HW#3 STAT 3025
Due Monday, Sep 26th at the beginning of class
Note: 1. No late submission.
2. For people who havent purchased textbook, please make sure that you
have the correct problem from the book
CSE 3100 Systems Programming
Assignment #4
Out: 09/28/16
Due: 10/05/16
This assignment requires you to complete the implementation of a hash table with string keys and int values
based on separate cha
CSE 3100 Systems Programming
Assignment #5
Out: 10/10/16
Due: 10/19/16
The purpose of this assignment is to experiment with process management APIs and pipe APIs. The best way to
do this is to build t
CSE 3100 Systems Programming
Assignment #3
Out: 09/21/16
Due: 09/28/16
Exercise 1. Matrix Transposition (40 points)
Fixed size matrices can be represented in C as two-dimensional arrays, i.e., arrays
CSE 3100 Systems Programming
Assignment #1
Out: 09/09/16
Due: 09/14/16
For instructions on how to checkout the template code for the assignment and submit solutions using git, see http:
/dna.engr.ucon
CSE 3100 Systems Programming
Assignment #2
Out: 09/15/16
Due: 09/21/16
For instructions on how to checkout the template code for the assignment and submit solutions using git, see http:
/dna.engr.ucon
HW#1 STAT 3025
Due Friday, Sep 11th at the beginning of class
Note: 1. No late submission.
2. For people who havent purchased textbook, please make sure that you have the correct
problem from the book
HW#2 STAT 3025
Due Monday Sep 19th at the beginning of class
Note: 1. No late submission.
2. For people who havent purchased textbook, please make sure that you
have the correct problem from the book.
254 CHAPTER 6 Point Estimation
An appropriate probability plot supports the use of the log-
normal distribution (see Section 4.5) as a reasonable model
for stream ow.
a. Estimate the parameters of the
Calculating Probabilities I
To determine the probability of an event we must add up the probabilities of
the individual sample points, which are elements of that event.
Sometimes calculating probabili
Probability
1
Basic Concepts
An experiment is any activity or process of observation, that leads to a single outcome
that cannot be predicted with certainty. Although the word experiment generally sug
Discrete Random Variables and Probability Distributions
1
What are Random Variables
In any experiments, there are numerous characteristics that can be observed or measured,
but in most cases an experi
Overview and Descriptive Statistics
1
Basic Concepts
Population:
A collection of objects of interest.
Cars of the same type assembled in a specified plant, or production line, or during a
specified p
Tests of Hypotheses Based on a Single Sample
Hypotheses and Tests
Example
1. (Fairness of Coin) A person wanted to check if a coin was fair. He tossed the coin
20 times and got 13 heads. Is this evide
Inferences Based on Two Samples
1
Two-Sample z Test and CI
Example (Steel) A study was conducted to compare the mean yield-strength of coldrolled steel and that of two-sided galvanized steel, denoted