STAT 302 Study Guide - Midterm Guide: Iris Setosa, Diabetes Mellitus Type 1, Gestational Diabetes

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Stat 302, assignment 1, due thursday may 30, 2019 at 9:30pm. Explanations and relevant computer output should be included, but plots do not need to be. Necessary r code is included for every question, after the reading questions. There are also four practice problems, mostly surrounding review material: consider the different types of data. 2a) describe the five variables of the dataset. Width, a continuous numeric variable: species, a categorial variable. 2b) find the mean and median of the sepal length. 2c) create a histogram of the distribution of the first variable (sepal length). Use the histogram and the mean and median to describe this distribution. Explain how you know this from the mean and the median. very close. Since the mean is slightly larger than median, the distribution is slightly right skewed. If the mean is smaller than median, then the distribution will be left skewed. From the histogram, we can see that the distribution is symmetrical.