MATH 1131 3.00 A S1
Assignment 1
Total marks = 65
Question 1: Water quality ratings (A, B, C, D, F) which reect the risk of
getting sick from swimming at any particular one of 36 Southern California
b
Chapter 08
MULTIPLE CHOICE
1. Which of the following accurately describes a hypothesis test?
a. A descriptive technique that allows researchers to describe a sample
b. A descriptive technique that all
MATH 1131 3.00 A S1
Assignment 2
Total marks = 55
Question 1: A contractor is required by a county planning department
to submit anywhere from one to ve forms (depending on the nature of the
project)
MATH 1131
Assignment # 2 Solutions [25 marks]
Fall 2016
INSTRUCTIONS (Please read carefully): Due Friday, October 7, 2016, by NOON (12pm) in the drop
box labeled MATH 1131 B, V. MICHKINE. Drop boxes a
YORK UNIVERSITY
SC/MATH 1131 B
TEST #1 SOLUTIONS
The total number of points for the Test is 75.
1. (5+5+5 points) (a) Young drivers tend to be more involved in automobile crashes
than older drivers. T
Econ1000
Sample Midterm Exam Answers
Question 1
1.
2.
3.
4.
5.
6.
7.
8.
A)
C)
D)
D)
A)
A)
B)
C)
Question 2
1.
2.
3.
4.
5.
F
F
T
F
F
Question 3
1. 6.88%
2. 92.56% (solution in picture)
Question 4
1. r=
-Lab Week 4
-Use the GolfClub Database.
-1 List the average barbill by member type. Sequence the output, highest to
lowest average.
select avg(Barbill) as "Average" , MemberType from Member
group by M
Name:
Section:
MEMBER TABLE
TOURNAMENT TABLE
TOURENTRY TABLE
-1 List the average barbill by member type. Sequence the
output, highest to lowest average.
-2 List the total barbill for each team but onl
Class 3 ITM 500 February 2nd 2017
SELECT: Fields/Attributes
FROM: Table Name
WHERE: Attribute (Operation =><) Value
Name like (N %) name that starts with N
ORDER BY (attributes)
% Any number of chara
Nested Query or Sub Query
When to use Nested Query?
Nested Query or SubQuery
Subqueries must be enclosed within parentheses.
A subquery can have only one column in the
SELECT clause.
An ORDER BY ca
Week 6 Lab
Using the Erwin Software construct a logical data model using the IE notation to fit the following
circumstances. Place all 5 solutions in a single Erwin file for convenience
Draw data mode
Nested Query or Sub Query
When to use Nested Query?
Group by and Aggregate Functions
Group by and Aggregate functions (e.g., max,
min, avg, count, sum) are closely related
Need Aggregate function?
MATH 1131
Assignment # 3 Solutions [25 marks]
Fall 2016
Note: you may use a statistical software program to create the graphs, or you can do them by
hand. For those students who wish to use software,
MATH 1131
Assignment # 4 Solutions [25 marks]
Fall 2016
Note: where appropriate, show your work, state any variables and formulas used in your
solution, and leave answers to three or more decimal plac
MATH 1131 3.00 A S1
Assignment 3
Total marks = 50
Question 1: On your shelf, you have four books that you are planning
to read in the near future. Two are ctional works, containing 212 and 379
pages,
Final Assignment
Geography 2420 Fall 2015
Taly Drezner
Section 03
213 241 658
Olivia Kazmierczak
Introduction
What is being tested if there is a difference in the amount of females compared to males a
The Practice of Statistics for
Business and Economics
Third Edition
David S. Moore
George P. McCabe
Layth C. Alwan
Bruce A. Craig
William M. Duckworth
2011 W.H. Freeman and Company
Examining Distribu
Introductory Statistics:
A Problem-Solving Approach
by Stephen Kokoska
Chapter 7
Sampling Distributions
Copyright 2015 by W. H. Freeman and Company. All rights reserved.
1
Parameter and Statistic
A pa
Introductory Statistics:
A Problem-Solving Approach
by Stephen Kokoska
Chapter 5
Random Variables and
Discrete
Probability Distributions
Copyright 2015 by W. H. Freeman and Company. All rights reserve
Introductory Statistics:
A Problem-Solving Approach
by Stephen Kokoska
Chapter 2
Tables and Graphs for
Summarizing Data
Copyright 2015 by W. H.
Freeman and Company. All
rights reserved.
1
Tables, Char
Introductory Statistics:
A Problem-Solving Approach
by Stephen Kokoska
Chapter 9: Hypothesis Tests
Based on a Single Sample
Copyright 2015 by W. H. Freeman and Company. All rights reserved.
1
Hypothes
Introductory Statistics:
A Problem-Solving
Approach
by Stephen Kokoska
Chapter 3
Numerical Summary
Measures
Copyright 2015 by W. H.
Freeman and Company. All
rights reserved.
1
3.1 Measures of Central
Introductory Statistics:
A Problem-Solving Approach
by Stephen Kokoska
Chapter 6
Continuous Probability
Distributions
Copyright 2015 by W. H. Freeman and Company. All rights reserved.
1
Probability De
Introductory Statistics:
A Problem-Solving Approach
by Stephen Kokoska
Chapter 8: Confidence
Intervals Based on a Single
Sample
Copyright 2015 by W. H. Freeman and Company. All rights
reserved.
1
Intr
Interpreting Probabilities: Unlikely Events and
Unusual Events
We can consider an event with a small probability (such as 0.05 or less) to be unlikerjr.
But we often need to determine when an event co
Self Referencing and Join
How to use them
Self Referencing- If an attribute of a table refers
to another attribute of the same table
FacSuprSSN refers to the FacSSN - supervisors are
also faculty
VI