Frequency Distribution a collection of
observations produced by sorting
observations into classes that show their
frequencies of occurrence.
Frequency Distribution for Ungrouped
Data a frequency distribution produced
when ever ob
Oxford English Dictionary word
Statistics came into use more than 200
A countrys quantifiable political
e.g. Population, taxes, area, etc
Meant State Numbers
Technique proved useful for economics and
Correlations can compare 2 variables.
Examine their relationship.
Examine the relationship with means of
SCATTER DIAGRAMS one variable on
the x axis and the other on the Y.
Correlation Coefficient (r)
N (XY ) (X
Guide to Introductory Mathematics Courses
Debra K. Borkovitz
Below are descriptions of the introductory mathematics courses at Wheelock, along with
information about when each course is offered, the intended audience, and what courses are
Exam 1 Study Guide
Must show work for credit.
1. Evaluate each expression.
2. Simplify the expression. Assume that the letters denote any real number.
36x2 y 4
3. Simplify the expression. Assume
Math 130 Final Exam Study Guide
Fall 2011, David Beydler
Date: Monday, December 12, 7:30pm-10:00pm in 61-3319 (Building 61, Room 3319)
Will focus on sections covered in Chapter 2, 3, 4, 5, and 7, as well as 1.6 and 1.7.
No calculators (this inc
MAT 172 Midterm Study Guide
1. The supply and demand for crabmeat in a local fish store are related by the equations
p S ( q ) 6q 3
p D (q ) 19 2q
Where p represents the price in dollars per pound and q represents the quantity of crabmeat