Here, there is causation as well; if you spend more time studying, it results in a higher grade. The above figure shows examples of what various correlations look like, in terms of the strength and direction of the relationship. It is a statistical measurement of the way 2 variables relate where positive correlation ranges from positive one (+1) to negative one (-1). An example of a positive correlation is the relationship between the speed of a wind turbine and the amount of energy it produces. The relationship between demand and price is an example of causation as well as positive correlation. The vice versa is a negative correlation too, in which one variable increases and the other decreases. 6 Examples of Correlation/Causation Confusion June 26, 2016 June 26, 2016 / bs king When I first started blogging about correlation and causation (literally my third and fourth post ever), I asserted that there were three possibilities whenever two variables were correlated. Names of standardized tests are owned by the trademark holders and are not affiliated with Varsity Tutors LLC.4.9/5.0 Satisfaction Rating over the last 100,000 sessions. Finally, some pitfalls regarding the use of correlation will be discussed. For example, there is no correlation between the weight of my cat and the price of a new computer; they have no relationship to each other whatsoever. Common Examples of Positive Correlations. ; Go to the next page of charts, and keep clicking "next" to get through all 30,000.; View the sources of every statistic in the book. When working with continuous variables, the correlation coefficient to use is Pearson’s r.The correlation coefficient (r) indicates the extent to which the pairs of numbers for these two variables lie on a straight line. The more time you spend running on a treadmill, the more calories you will burn.Taller people have larger shoe sizes and shorter people have smaller shoe sizes.The longer your hair grows, the more shampoo you will need.The less time I spend marketing my business, the fewer new customers I will have.The more hours you spend in direct sunlight, the more severe your sunburn.The more money she saves, the more financially secure she feels.As the temperature goes up, ice cream sales also go up.When an employee works more hours his paycheck increases proportionately.The more gasoline you put in your car, the farther it can go.The longer someone invests, the more compound interest he will earn.The longer amount of time you spend in the bath, the more wrinkly your skin becomes.As you drink more coffee, the number of hours you stay awake increases.The more it rains, the more sales for umbrellas go up.Taller people tend to weigh more and shorter people tend to weigh less.As a person's level of happiness decreases, so does his level of helpfulness.People who suffer from depression have higher rates of suicide than those who do not.As more people go to the movies, the amount of money spent on tickets increases.As tread on your car's tires decreases, traction with the road decreases.As the level of water lowers in a fish tank, the volume of the habitat for the fish decreases.The faster a jet pilot flies, the higher the G-forces are.The more you exercise your muscles, the stronger they get.When employees make a high salary, efficiency increases.As the wattage of light bulbs increases, the light output increases.As the number of trees cut down increases, the probability of erosion increases.In archaeology, a more stable landform means more site visibility.As the temperature decreases, the speed at which molecules move decreases.As the speed of a wind turbine increases, the amount of electricity that is generated increases.As the amount of moisture increases in an environment, the growth of mold spores increases.As algae increased in the lake a certain species of algae eating fish increased.As the percentage of salt in salty water increases, buoyancy increases.As you eat more antioxidants, your immune system improves.High school students who had high grades also had high scores on the SATs.As attendance at school drops, so does achievement.When enrollment at college decreases, the number of teachers decreases.As a student's study time increases, so does his test average.The more years of education you complete, the higher your earning potential will be.College students with higher SAT scores also have higher grades in college.By reviewing different examples of positive correlations you can see that correlations can be used in many aspects of every day life and science.
Correlations only show the extent to which one variable can be predicted by another. This post will define positive and negative correlations, illustrated with examples and explanations of how to measure correlation. Values over zero indicate a positive correlation, while values under zero indicate a negative correlation.
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