Question: can someone please help me on this? our lesson is about summation notation. Please do include the formula/solution that you use. Step by step. so

can someone please help me on this? our lesson is about summation notation.

Please do include the formula/solution that you use. Step by step. so that i can understand it. Thank you so much.

if the picture is unclear. Please do let me know.

can someone please help me on this? our lesson is about summation

Given that: X1 = 3 , X2 = 7 , X3 = 0 , X4 = 2 , and X5 = -3 1. 5 2. 5 3. 2 5 4. 5 5. 5 Xi X 2 Xi ( x 1 - 2) 2 5( x1 + 5) 2 i=1 i=1 1=3

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