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Academic purposes only, Exercises of Business Statistics

Benguet State University (BSU)Business Statistics

A. Express the following in Summation Notation and find the sum (consider the values in example 3)

Typology: Exercises

2023/2024

Uploaded on 09/21/2023

xyrille-blaire-alfonso
xyrille-blaire-alfonso 🇵🇭

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Worksheet 2
Name:_________________________Class Schedule:______________Date:____________
A. Express the following in Summation Notation and find the sum (consider the values in example 3)
1. (2x1 + 4) + (2x2 + 4) + (2x3 + 4) + (2x4 + 4)
2. (x1 + y1)2 + (x2 + y2)2 +(x3 + y3)2
3. 2(x1y1) + 2(x2y2) + 2(x3y3) +2(x4y4)
4. 5x2 + 5x3 + 5x4 + 5x5
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Worksheet 2

Name:_________________________Class Schedule:______________Date:____________ A. Express the following in Summation Notation and find the sum (consider the values in example 3)

1. (2x 1 + 4) + (2x 2 + 4) + (2x 3 + 4) + (2x 4 + 4)

2. (x 1 + y 1 )^2 + (x 2 + y 2 )^2 +(x 3 + y 3 )^2

3. 2(x 1 y 1 ) + 2(x 2 y 2 ) + 2(x 3 y 3 ) +2(x 4 y 4 )

4. 5x 2 + 5x 3 + 5x 4 + 5x 5

B. Data set contains the observations 7, 5, 4, 8, 3. The constant c = 6. Find the following: