Let x3 be the following vector: x3 <- c(0, 1, 1, 2, 2, 2, 3,
3, 4) Imagine what a histogram of x3 would look like. Assume that
the histogram has a bin width of 1. How many bars will the
histogram have? Where will they appear? How high will each be? When
you are done, plot a histogram of x3 with bin width = 1, and see if
you are right.
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