Correlation is not the same as causation. Why not?
What will be an ideal response?
Even if two variables are related, there is no way to know which one causes the other, or if another variable causes both. Finding a correlation only means that mathematically, the two are related for some reason. The only way to determine the reason (causation) is with an experiment.
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Approximately two-thirds of the exports from developed countries go to developed countries.
Answer the following statement true (T) or false (F)
The _____ is the middle value of a distribution when the distribution is ordered in either an ascending or a descending sequence.
A. variance B. average C. mode D. mean E. median
Ben’s research project involved assessing key retail trends. He decided that the best thing would be to interview directors from the country’s top retailers and ignore the small independent stores who would have less knowledge. What kind of sample is this?
a. purposive sample b. expertise sample c. quota sample d. random sample e. strategic sample
When individuals in a sample of 150 were asked whether or not they supported capital punishment, the following information was obtained. Do you supportcapital punishment? Number ofindividuals Yes 45 No 55 No Opinion 50 ? We are interested in determining whether or not the opinions of the individuals (as to Yes, No, and No Opinion) are uniformly distributed. The calculated value for the test statistic equals
A. 2. B. -2. C. 1. D. 4.