. Find the standard deviation. (Enter an exact number as an integer, fraction, or decimal.) x P(x) x*P(x) (x − ?)2P(x) 3 0.1 3(0.1) = 0.3 (3 − 6.4)2(0.1) = 1.156 5 0.3 5(0.3) = 1.5 (5 − 6.4)2(0.3) = 0.588 7 0.4 7(0.4) = 2.8 (7 − 6.4)2(0.4) = 0.144 9 0.2 9(0.2) = 1.8 (9 − 6.4)2(0.2) = 1.352

. Find the standard deviation. (Enter an exact number as an integer, fraction, or decimal.) x P(x) x*P(x) (x − ?)2P(x) 3 0.1 3(0.1) = 0.3 (3 − 6.4)2(0.1) = 1.156 5 0.3 5(0.3) = 1.5 (5 − 6.4)2(0.3) = 0.588 7 0.4 7(0.4) = 2.8 (7 − 6.4)2(0.4) = 0.144 9 0.2 9(0.2) = 1.8 (9 − 6.4)2(0.2) = 1.352

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section5.6: Exponential And Logarithmic Equations

Problem 69E

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Question

8. Find the standard deviation. (Enter an exact number as an integer, fraction, or decimal.)

x	P(x)	x*P(x)	(x − ?)²P(x)
3	0.1	3(0.1) = 0.3	(3 − 6.4)²(0.1) = 1.156
5	0.3	5(0.3) = 1.5	(5 − 6.4)²(0.3) = 0.588
7	0.4	7(0.4) = 2.8	(7 − 6.4)²(0.4) = 0.144
9	0.2	9(0.2) = 1.8	(9 − 6.4)²(0.2) = 1.352