STATISTICS 344, Lecture #10
Regression Estimation
September 28, 2016
Recall from last time: A graphical view of ratio estimation
Think of line passing through (0, 0) and (
xS , yS ) as a fitted line
or trend line.
20
Ratio estimation corresponds to using

STATISTICS 344, Lecture #10
Regression Estimation
September 28, 2016
Recall from last time: A graphical view of ratio estimation
Think of line passing through (0, 0) and (
xS , yS ) as a fitted line
or trend line.
20
Ratio estimation corresponds to using

STATISTICS 344, Lecture #11
Estimation in Domains
September 30, 2016
Preamble
You are given the following data: Amongst 116 male voters
questioned, 34 indicated support for the NDP, while the other 82
indicated support for other parties. Thus you issue a

STATISTICS 344, Lecture #9
Ratio Estimation, Continued
September 26, 2016
Recall ratio estimation idea: Y of interest, X auxiliary
Record both (xi , yi ) for sampled units (for i S, in our notation).
Target of estimation is yP , but happen to know xP
(say

STATISTICS 344, Lecture #8
Ratio Estimation
September 23, 2016
Scenario: You have been asked to estimate the number of
dairy cows in a regional district
Dairy farms in this district must be licensed, which gives you
access to a list of all them - a sampli

STATISTICS 344, Lecture #9
Ratio Estimation, Continued
September 26, 2016
Recall ratio estimation idea: Y of interest, X auxiliary
Record both (xi , yi ) for sampled units (for i S, in our notation).
Target of estimation is yP , but happen to know xP
(say

STATISTICS 344, Lecture #5
Study Planning
September 16, 2016
Clicker Q: Put yourself in the mindset of a research
funding agency.
. Many potential scientific studies are pitched to you, but there
are only resources to fund some of them. Amongst proposed
s

STATISTICS 344, Lecture #8
Ratio Estimation
September 23, 2016
Scenario: You have been asked to estimate the number of
dairy cows in a regional district
Dairy farms in this district must be licensed, which gives you
access to a list of all them - a sampli

Zhen LIU
Problem 1
A simple random sample yields questionnaire responses from n = 200 residents of BC. Of
these, 53 report being current members of the British Columbia Automobile Association
(BCAA). Provide answers to the following to three decimal place