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Can a correlation be measured?
Yes, correlations can be measured using statistical methods such as Pearson's correlation coefficient or Spearman's rank correlation coefficient. These measures quantify the strength and direction of the relationship between two variables.
What causes unemployment in Ghana?
Unemployment in Ghana can be caused by several factors, including limited job opportunities, lack of relevant skills among the workforce, high levels of informal employment, and economic challenges such as slow economic growth or fluctuations in market demand. Additionally, factors such as inadequate infrastructure, insufficient investment in key sectors, and barriers to entrepreneurship can contribute to high unemployment rates in the country.
When two variables are related but one does not cause the other researchers term the situation?
Researchers term the situation as correlation. Correlation indicates a statistical relationship between two variables, showing how they move together but not necessarily implying causation. The strength and direction of the correlation can provide insights into the relationship between the variables.
When is the correlation coefficient zero?
The correlation coefficient is zero when there is no linear relationship between two variables, meaning they are not related in a linear fashion. This indicates that changes in one variable do not predict or explain changes in the other variable.
What are the three conditions necessary for causation between variables?
The three conditions necessary for causation between variables are covariance (relationship between variables), temporal precedence (the cause must precede the effect in time), and elimination of plausible alternative explanations (other possible causes are ruled out).
Is unemployment counted as income in a divorce?
Yes, unemployment IS income
If inflation falls why would unemployment rise?
When economists look at inflation and unemployment in the short term, they see a rough inverse correlation between the two. When unemployment is high, inflation is low and when inflation is high, unemployment is low. This has presented a problem to regulators who want to limit both. This relationship between inflation and unemployment is the Phillips curve. The short term Phillips curve is a declining one. Fig 2.4.1-Short term Phillips curveThis is a rough estimation of a short-term Phillips curve. As you can see, inflation is inversely related to unemployment. The long-term Phillips curve, however, is different. Economists have noted that in the long run, there seems to be no correlation between inflation and unemployment.
Is there a correlation between handedness and thumb dominance?
No, there is not a correlation.
What is multiple correlation coefficient and partial correlation coefficient?
partial correlation is the relation between two variable after controlling for other variables and multiple correlation is correlation between dependent and group of independent variables.
What is the type of correlation where there in no relationship between two data sets?
There is no correlation.
What is the maximum and minimum value of the correlation coefficient?
The correlation can be anything between +1 (strong positive correlation), passing through zero (no correlation), to -1 (strong negative correlation).
What is the relationship between correlation and causation?
correlation implies the cause and effect relationship,, but casuality doesn't imply correlation.
What is the difference between positve and negative correlation?
Positive correlation has a positive slope and negative correlation has a negative slope.
Is there a real correlation between HPV and oral cancers?
Yes. There is a real correlation between HPV and oral cancers
What is the correlation coefficient of -2?
A serious error. The maximum magnitude for a correlation coefficient is 1.The Correlation coefficient is lies between -1 to 1 if it is 0 mean there is no correlation between them. Here they are given less than -1 value so it is not a value of correlation coefficient.
What is a line that shows the correlation between two data sets called?
There is no line that shows the correlation between two data sets. The correlation is a variable that ranges between -1 and +1.You may be thinking about regression which, although related, is not the same thing.There is no line that shows the correlation between two data sets. The correlation is a variable that ranges between -1 and +1.You may be thinking about regression which, although related, is not the same thing.There is no line that shows the correlation between two data sets. The correlation is a variable that ranges between -1 and +1.You may be thinking about regression which, although related, is not the same thing.There is no line that shows the correlation between two data sets. The correlation is a variable that ranges between -1 and +1.You may be thinking about regression which, although related, is not the same thing.
What is a sample correlation?
If measurements are taken for two (or more) variable for a sample , then the correlation between the variables are the sample correlation. If the sample is representative then the sample correlation will be a good estimate of the true population correlation.
