Eight randomly selected customers at a local grocery store spent the following amounts on groceries in a single visit: $214, $184, $31, $92, $148, $175, $7, and $57. Let y denote the amount spent on groceries by a single customer in a single visit. Find the following:

a. ∑y
b. (∑y)^2
c. ∑y^2

The correct answer is a. 908; b. 824464; c. 144904.

Step-by-step explanation:

Eight randomly selected customers at a local grocery store spent the following amounts on groceries in a single visit: $214, $184, $31, $92, $148, $175, $7, and $57.

Let y denote the amount spent on groceries by a single customer in a single visit.

a. ∑y  = 214 + 184 + 31 + 92 + 148 + 175 + 7 + 57 = 908

b. (∑y = = 824464

c. ∑ = = 144904

is there answer choices?

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above