HEA 3312 Biostatistics

Complete this assignment by hand and show all your work (use the Chapter 3Examples document as a guide). Be sure to round all your final answers to the nearestwhole number.Consider the following dataset which is the ages of 20 motorcyclists killed in roadaccidents:18, 41, 24, 28, 71, 52, 15, 20, 21, 31, 16, 24, 33, 44, 20, 24, 16, 64, 24, 321. Draw and label a histogram of this dataset. (2 pts)2. Describe the distribution of this dataset (is it normal, skewed left, or skewed right). (1pts)3. What is the best measure of central tendency and the best measure of dispersion toreport? Why? (2 pts)4. Draw a stem-and-leaf plot of this dataset. (2 pts)5. Calculate the mean, median, and mode of this dataset. (3 pts)6. Calculate the Q1, Q3, & IQR of this dataset. (3 pts)7. Draw and label the box-whisker plot for this dataset. (2 pts)


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