1. (4) Given a Stem and leaf plot. Write the original data. 2| 8 3| 23899 4| 012378 5| 0125578 6| 0234599 7| 5 8| 5 Legend: 2|8 represents 2.8

2. (6) Given the following data set of test #1 scores. 78 80 68 56 76 78 74 90 96 60 98 66 100 76 64 82 62 72 78 74 90 90 68 72 82 72 78 54 62 72 72 78 65 51 34 82 a. Construct a frequency distribution with that has class width of 12, and the lower-class limit of the first class is 34. b. Construct a histogram.