**** Given the following observations: answer questions from 9-10: 408 401 410 415 390 400 395 450 406 Q.9 the sample variance is : a) 360 Q.10 the standard deviation is: b) 414 e) 550 d) Your answer a) 14.7 Q.II the density for X, the lead concentration in gasoline in grams per liter is given by: F(x)-12.5X-1.25 b) 5.44 c) 2.34 d) Your answer 0.1s x s0.5 the mean or expected value of x is equal to: a) 0.147 b) 0.544 c) 0.367 d) Your answer
**** Given the following observations: answer questions from 9-10: 408 401 410 415 390 400 395 450 406 Q.9 the sample variance is : a) 360 Q.10 the standard deviation is: b) 414 e) 550 d) Your answer a) 14.7 Q.II the density for X, the lead concentration in gasoline in grams per liter is given by: F(x)-12.5X-1.25 b) 5.44 c) 2.34 d) Your answer 0.1s x s0.5 the mean or expected value of x is equal to: a) 0.147 b) 0.544 c) 0.367 d) Your answer
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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