Exercises_on_Correlation

Exercises_on_Correlation - February 1, 2010 Exercises on...

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February 1, 2010 Exercises on Correlation Multiple -Choice Questions 1. A study finds the more exercise people do, the less money they spend on medical treatment, but only up to a point. Beyond that point, the more exercise they do, the more money they spend on medical treatment. The relation between amount of exercise and money spent on medical treatment represents: a. a positive linear correlation b. a negative linear correlation c. a curvilinear correlation d. no correlation 2. Which of the following statements is true about the correlation coefficient? a. It is an index of the degree of curvilinear correlation b. It is the average of the cross-products of the deviation scores c. It is symbolized as C d. It is highly positive when there is a strong negative linear correlation Fill -In Questions 1. In a scatter diagram of the relation between amount of tiredness and confusion in thinking (in which tiredness is considered to be the cause of confusion in thinking), a dot located at 6 across and 4 up means the
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Exercises_on_Correlation - February 1, 2010 Exercises on...

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