1). The following dataset consists of the number of siblings reported by 10 people: x:{5,6,7,3,4,5,9,2,0,9} Perform the following operation:

x=

2). The following dataset consists of the number of siblings reported by 10 people: x:{5,6,7,3,4,5,9,2,0,9} Perform the following operation:

x² =

3). For the following descriptions of operations made using the variable x, convert each into symbolic format using summation notation:

1. Add up all values in x.
2. Add up all values in x, then square this sum.
3. Add 3 to each value in x, then add up the resulting values.
4. Add up all values in x, then add 3 to this sum.
5. Square each value in x, then add up the resulting values
6. Add up all the values in x, then divide the sum by 2
7. Divide each value in x by 2, then add up the resulting values

2).