![]() The new descriptions of strength, linearity and direction. Given a new set of scatterplots below, repeat the same exercise, but now with Portland, OR) there is a strong, linear trend. Though there are a few outliers (citiesĪlong the northwest coast of the US that have temperate winters, such as Negative direction, as the greater the latitude, the colder the Scatter plots are described as linear orįor example, the scatterplot of latitude and January temperatures had The linearity of scatter plot indicates how close the points are If the points are clearly clustered, or closelyįollow a curve or line, the relationship is described as strong. The more spread out the points are, the weaker The strength of a scatter plot is usually described as weak, Increases, or the points of the scatterplot go down from left to The explained variable decreases as the explanatory variable Increases as the explanatory variable increases, or the points of the The direction is positive when the explained variable The direction of a scatter plot can be described as positive or When describing the shape of the scatter plot and the relationshipīetween the explanatory and explained variable, there are three important This exercise would be simpler given uniform adjectives that everyone could Similarly, drivers with less driving experience are considered riskier and pay greater premiums.
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