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Part IX Sample Minimum Competency Exams
Sample Minimum Competency Exam I
Questions 1-10 refer to the following information:
The Psychology Department at the University of Dupage uses a questionnaire to evaluate stu
Statistics: An Introduction
Fifth Edition
Section 16: Regression
A. Introduction
Regression Use scores from one variable to
predict scores on a second variable.
Examples:
Predict Income from education
Predict college grades from ACT test scores
Predict co
Statistics: An Introduction
Fifth Edition
Section 15: Correlational Inferential
Techniques
A. Introduction
Example: For adults, does intelligence decline as
people get older?
Take random sample of adults, find age and
intelligence. (Ignore pp. 315-316 in
Statistics: An Introduction
Fifth Edition
Section 10: Inferential Techniques for
Proportions
A. Introduction
Recall that for large n (n 100) the sampling
distribution for a proportion if approximately normal
with standard error
p
(1 )
n
B. Hypothesis Te
Statistics: An Introduction
Fifth Edition
Section 9: Hypothesis Testing
A. The Problem (3 scenarios)
Poll. Possibilities:
In past, advisers spent 4 hours/week advising. Is
program to increase time advising effective?
Possibilities:
1 .5, 1 .5, 1 .5
4, 4,
Statistics: An Introduction
Fifth Edition
Section 8: Statistical Inference
A. Background
We make use of probability methods to make
inferences (estimates) regarding the nature of
population facts (parameters) using sample facts
(statistics).
In this secti
Statistics: An Introduction
Fifth Edition
Section 1: Preliminary Concepts
and Measurement
Statistics - Summarizing, organizing, interpreting data.
Examples:
(a) From list of Iowa City incomes. Find typical, low,
high incomes.
(b) 80 students take classroo