For this section you will not be using the dataset or the Statistical Package R for your calculations. You need to show your work and provide formulas when required to receive full marks. . (Taken from Activity 2.5): A sample of 3'd grade students were selected and their heights were measured in centimeters and displayed in table 2 below: Table 2: 121-125 126-130 - a. Calculate the mean height of this sample of 3"I grade students. Identify one limitation of using this measure of central tendency to summarize the height of this sample of 3rd grade students