Is there a relationship between (X) rate of poverty (measured as percent of population below poverty level) and (Y) rates of teen pregnancy (measured per 1,000 females aged 15 to 17)? A researcher selected random states and collected the following data. Compute a Pearson’s correlation coefficient and determine whether the correlation is significant.
Answer to relevant QuestionsIn preparing for a examination, some students in a class studied more than others. Each student’s grade on the 10-point exam and the number of hours studied were as follows: Calculate a Pearson’s correlation coefficient ...A high school guidance counselor is interested in the relationship between proximity to school and participation in extracurricular activities. He collects the data on distance from home to school (in miles) and number of ...A psychiatrist wondered how much a night’s sleep could affect a person’s alertness and reaction time. She collected a random sample of people and asked them (X) how many hours of sleep they got the night before and then ...1. When the requirements of Pearson’s r cannot be met, we might still be able to employ a. a t ratio. b. a parametric measure of correlation. c. a nonparametric measure of correlation. d. None of the above 2. Why would we ...A medical sociologist internist is curious as to whether there is any connection between various behaviors that could be viewed as risk taking. She collects data from her records on 162 patients concerning their usage of ...
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