For this problem and Problem #$8$ below you are going to use a personalized databank data set. To create this dataset and import it into R$,$ do the following:

$1.$ Your personalized databank data set is here. Click on the preceding link and save the file as a text file. The name of the text file should be of the form $$MacID$\_$databank.txt$.$ where $\text{'}$MacID$\text{'}$ is your MacID.

$2.$ By following the instructions in the introductory lab, Import the the data into R into an object called databank$2$

$3.$ Verify $($using sum command$)$ that the sum of the age column is equal to $3067,$ the sum of the weight column is equal to $11909,$ and the sum of the IQ column is equal to $8790.$