Assume that instead of conducting experiments, latané and darley had used a correlational method to study the relationship between the number of bystanders who witness an emergency and how quickly a victim receives . assume that the correlational data were compatible with results from experiments: the more bystanders, the more time it took bystanders to . what type of correlation is this between time and number of bystanders?

a positive correlation              

Explanation:

The positive correlation defines the relationship between two different variables is steady that is they move in the same direction. A positive correlation closer to 1, is stronger. In other words, if one variable increases then the other variable increases too and vice-versa.

Example: The more a person exercises, the more calories he or she will burn.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.

the two sets of lines are :