Download iqsize. csv file attached here. In this file, we have structured data that show records of brain size, person's height and weight, and his/her IQ. Answer all the questions in this quiz using this data. Round off the answers to two decimal points (e. g., 12.345 becomes 12.34) 1- what is the average IQ in this data?

2-what is the average brain size in this data ?

3- what is the average height of a person in this data ?

4- what is the average weight of a person in this data ?

5- On average, what is the ratio of weight over height for a person ( weight/ height ) in this data ?