I need this asap

A. Measures of Central Tendency 1. In one hour of fishing, nine fishermen caught the following number of tilapias: 7, 4, 8, 6,5,8, 10, 7,8 Find the three measures of central tendency. 2. If the smallest and largest numbers are removed from the set, which of the three measures of central tendency would decrease? Remain the same? Increase? 3. How many fish should a tenth fisherman catch in order to increase the mean by 1? B. Measures of Relative Position Suppose the arrayed grades of 40 high school students are as follows