HW#13 - HW#13 Dec 5, 2006 #33) a) n 20 Y # of observation...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
HW#13 Dec 5, 2006 #33) a) 0 14 20 0 20 # of observation > 25 12 reject H if Y 15 ( ) ( ) 0.5 ( 20, 0.5) 20! [ 15] 1 [ 14] 1 (0.5) (0.5) .021 !(20 )! j j j n Y y P P Y binomial n p P Y P Y j j - = = = = + = - = = = ¬ = - = - = - : b) 13 20 0 0 0 20! [ 14] 1 [ 13] 1 (0.5) (0.5) .058 5% 14 !(20 )! reject H if Y 14 (5.8%) In our sample, y=12 is less than 14 so H not rejected j j j P Y P Y c j j - = = - = - = = - #5) 0 0 : Abs. Magnitude .3 .5 .6 .9 1.1 1.2 1.8 2.3 2.5 2.8 2.9 3.9 Rank 1 2 3 4 5 6 7 8 9 10 11 12 Sign 2 3 4 6 7 8 9 10 11 12 72 : ( ) ( ) .5 From Table A.13 when 12 x y i i i X Gravimetric Y Spectrophotometric H m m D X Y S H p p n + = = = = - - + + + - + + + + + + + = + + + + + + + + + = + = - = = 1 2 0 + 0 and .025, 64 12(12 1) / 2 64 14 So reject H if either c 64 or c 14 In this sample, since S 72 64, H is rejected (techniques give different values on average) P c c n = = + - = =
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
#11) 0 1 2 : : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0.48 0.67 0.73 0.98 1.2 1.23 1.33 1.4 1.42 1.52 1.55 1.56 1.72 1.77 O O P P
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

HW#13 - HW#13 Dec 5, 2006 #33) a) n 20 Y # of observation...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online