the Question Description is: Survey Created Among Families about the Their Expenditure In a week.

in the picture you can see the Information.

1) Question i asked to find the Expenditure Median.

the answer can be:

A)500$

B)510.66$

C)516.66$

D)650$

I know for example the if i got Series of number like 1,2,22,7,19,8 we got here 6 numbers so 7 will be the Median but in my Question i not find any Median from the answers that given.

2)i asked to find the Average Expenditure.

the answer can be:

A)514

B)528

C)542

D)556

i know to find the Average for example: 1,2,5,7,9 is will be 1+2+5+7+9=24/5

hope you can help me.

thanks.