correlation coefficient
Not what you're looking for?
Suppose you find a restriction in your study of IQ scores and school achievement at a selective private school. Restricting the range is likely to do what to the correlation coefficient?
a. Increase the size
b. Underestimate the strength
c. Have no effect
d. Change the sign
Purchase this Solution
Solution Summary
The correlation coefficient is given. The underestimate of strengths are given.
Solution Preview
Hi,
This website may help:
http://www.utah.edu/stat/introstats/web-text/Correlation/#Restricted-Range
It's confusing at first because it gives you two scenarios - one when there is a ...
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.