Hi I need help on what is the answer for this. I hope that you can help me

Learning Activity Perform as indicated A. Given the heights (m) of the students in this class: 1.45, 1.53, 1.53, 1.48, 1.78, 1.55, 1.56, 1.62, 1.6, 1.55, 1.55, 1.61, 1.7. 1.46, 1.69, 1.71, 1.49, 1.46. 1.62, 1.6, 1.83, 1.63, 1.5. 1.53, 1.8, 1.57, 1.5 Find the following and interpret 1. mean 2. third quartile 3. ninth decile 4. 80" percentile B. Given the grouped frequency distribution of the weights (kg) of the students In this class as of October 2020: Weight Class Frequency 38-50 9 51-63 15 64-76 1 77-89 90-102 0 103-115 Find the following and interpret 1. median 2. first quartile