Answer
(a) $∑X=10$
(b) $∑X^2=38$
(c) $∑X+1=11$
(d) $∑(X+1)=14$
Work Step by Step
(a) $∑X=3+5+0+2=10$
(b) $∑X^2=3^2+5^2+0^2+2^2=9+25+0+4=38$
(c) $∑X+1=(3+5+0+2)+1=10+1=11$
(d) $∑(X+1)=(3+1)+(5+1)+(0+1)+(1+1)=4+6+1+3=14$
Essentials of Statistics for the Behavioral Sciences 8th Edition
by Gravetter, Frederick J.; Wallnau, Larry B.
Published by
Cengage Learning
ISBN 10:
1133956572
ISBN 13:
978-1-13395-657-0
Chapter 1 - Introduction to Statistics - Problems - Page 34: 18
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