Statistics Scatter Diagram
Not what you're looking for?
11. Make up a scatter diagram with 10 dots for each of the following situations:
(a) perfect positive linear correlation,
(b) large but not perfect positive linear correlation,
(c) small positive linear correlation,
(d) large but not perfect negative linear correlation,
(e) no correlation,
(f) clear curvilinear correlation.
Purchase this Solution
Solution Summary
The expert makes up a scatter diagram with 10 dots for each is determined.
Solution Preview
With correlation, it's all about two things: how well the points line up along a line (this tells you the strength of the correlation) and what direction they're pointing (up to the right - positive, or down to the right - negative). The more dispersion or spread we see in a scatterplot, the weaker the correlation is.
A perfect positive correlation (above) will have all of the points lined up perfectly on a line, pointing upwards to the right. This indicates that as scores on the X variable increase, scores on the Y variable increase in a perfectly predictable way.
A strong positive correlation (above) ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
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.
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.