Class Notes (973,583)
CA (573,438)
Carleton (19,101)
STAT (137)
STAT 2507 (92)
All (3)
Lecture 1

STAT 2507 Lecture Notes - Fall 2018 Lecture 1 - Pie chart, Frequency (statistics), Time series

by OneClass2514550 , Fall 2018
4 Pages
86 Views

Department
Statistics
Course Code
STAT 2507
Professor
All
Lecture
1

This preview shows page 1. Sign up to view the full 4 pages of the document.
Stats- chapter 1
Descriptive statistics: science of summarizing and describing the important characteristics of a
set of data
Inferential Statistics: science of using information obtained from a sample to infer about the
characteristics of a population of interest
Population: set of entire collection of units
Sample: subset of the population selected in some prescribed manner
Variable: characteristic that changes or varies over times or for different individuals or objects
under consideration
Experimental unit: individual or object on which a variable is measured. Single measurement
or data value is obtained when a variable is actually measured on an experimental unit
Exercise 1
Population: all undergrad students at this university
Sample: five students
Experimental unit: a student
Measurements: GPA, Gender, Major, Credits
Types of data
Univariate data: obtained when a single variable is measured on a single experimental
unit
Bivariate data: obtained when two variables of measured on a single experimental unit
Multivariable data: obtained when more than two variables are measured
Types of variables: qualitative or quantitative
Qualitative (Categorical):
o measure a quality or characteristic on each experimental unit
o measurements of qualitative variables belong to one of several categories
examples:
Political affiliation: Liberals, Conservatives, NDP, Green,
Independent
Colour of a car
Size of t-shirts: XS, S, M, L, XL
Racers classified as coming in 1st, 2nd, 3rd, etc

Loved by over 2.2 million students

Over 90% improved by at least one letter grade.

Leah — University of Toronto

OneClass has been such a huge help in my studies at UofT especially since I am a transfer student. OneClass is the study buddy I never had before and definitely gives me the extra push to get from a B to an A!

Leah — University of Toronto
Saarim — University of Michigan

Balancing social life With academics can be difficult, that is why I'm so glad that OneClass is out there where I can find the top notes for all of my classes. Now I can be the all-star student I want to be.

Saarim — University of Michigan
Jenna — University of Wisconsin

As a college student living on a college budget, I love how easy it is to earn gift cards just by submitting my notes.

Jenna — University of Wisconsin
Anne — University of California

OneClass has allowed me to catch up with my most difficult course! #lifesaver

Anne — University of California
Description
Stats chapter 1 Descriptive statistics: science of summarizing and describing the important characteristics of a set of data Inferential Statistics: science of using information obtained from a sample to infer about the characteristics of a population of interest Population: set of entire collection of units Sample: subset of the population selected in some prescribed manner Variable: characteristic that changes or varies over times or for different individuals or objects under consideration Experimental unit: individual or object on which a variable is measured. Single measurement or data value is obtained when a variable is actually measured on an experimental unit Exercise 1 Population: all undergrad students at this university Sample: five students Experimental unit: a student Measurements: GPA, Gender, Major, Credits Types of data Univariate data: obtained when a single variable is measured on a single experimental unit Bivariate data: obtained when two variables of measured on a single experimental unit Multivariable data: obtained when more than two variables are measured Types of variables: qualitative or quantitative Qualitative (Categorical): o measure a quality or characteristic on each experimental unit o measurements of qualitative variables belong to one of several categories examples: Political affiliation: Liberals, Conservatives, NDP, Green, Independent Colour of a car Size of tshirts: XS, S, M, L, XL Racers classified as coming in 1 , 2 , 3 , etc
More Less
Unlock Document

Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit