# Two scores, X and Y , are recorded for each of n = 4 subjects. For these scores, find the value of each expression. a. Σ X b. Σ Y c. Σ XY Subject X Y A 3 4 B 0 7 C -1 5 D 2 2

### Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

### Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

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Chapter 1, Problem 21P
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