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1. Frequency distribution of Brain Volumes.Construct a frequency distribution of the 20 brain volumes (cm 3 ) listed below. (These volumes are from Data Set

1. Frequency distribution of Brain Volumes.Construct a frequency distribution of the 20 brain volumes (cm3) listed below. (These volumes are from Data Set 6 of Appendix B.) Use the classes 900-999, 100-1099, and so on.

1005 963 1035 1027 1281 1272 1051 1079 1034 1070

1173 1079 1067 1104 1347 1439 1029 1100 1204 1160

2. Histogram of Brain volumes. Construct the histogram that corresponds to the frequency distribution from Exercise 1. Apply a very strict interpretation of the requirements for a normal distribution; does the histogram suggest that the data are from a population having a normal distribution? Why or why not.

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