1. Data from OpenIntro Statistics, exercise 1.36 The infant mortality rate is defined as the number of infant deaths per 1,000 live births. The data we consider here are the estimated infant mortality rates in 2012 for 222 countries. Dotplot: (gives similar information to a histogram, one dot for each observation, stacked on the data value on the horizontal axis, useful for small datasets)

2. Histogram: Which words are useful to describe the shape of the distribution?

4. Relative Frequency Histogram:

5. Estimate the following: 1.Minimum 2.Q1 3.Median 4.Q3 5.Maximum Do you expect the mean to be larger or smaller than the median? Why?

6. Which boxplot corresponds to the infant mortality data? A B C