Question: The data is in the package mosaicData. The dataset is called RailTrail. The RailTrail data set from the mosaicData package describes the usage of a

The data is in the package mosaicData. The dataset is called RailTrail. The RailTrail data set from the mosaicData package describes the usage of a rail trail in Western Massachusetts. Use these data to answer the following questions. Create a scatterplot of the number of crossings per day volume against the high temperature that day Separate your plot into facets by weekday (an indicator of weekend/holiday vs. weekday) Add regression lines to the two facets

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