COMM 291 Lecture Notes - The Monthly, Central Limit Theorem, Infant Mortality
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Question 1: -0. 722 implies a relatively strong negative correlation, which means that as gdp increases, 72. 2% of the time, infant mortality decreases. X and y are negatively correlated, as shown by the negative direction of the least squares line. Again, x and y are negatively correlated, as shows by the negative direction of the least squares line. The correlation coefficient is very close to -1, which indicates a very strong negative correlation and the line fits the data points almost perfectly. X iv) creating a single scatterplot containing all of the observations makes it clear that this is an example of. 39% of the variation in the rim stock is explained by the linear relationship with the nasdaq: the slope indicates that for every 1 unit change in the nasdaq index, rim"s monthly return increases by. This suggests that rim returns increase faster than the nasdaq index. Question 3 s l a u d i s e.