Reading 11 sampling and estimation answers

www.ombookcentre.in

012345 67ÿ 9Sÿ 6ÿ

=ÿ!ÿÿ*ÿÿ8>>8ÿÿ8>>Aÿ*ÿ,ÿÿÿ2*ÿ ÿ2ÿ2ÿÿÿÿ*ÿ,ÿ (ÿC*ÿÿÿ !ÿT#

"!8ÿ!3 17ÿ#ÿ$783ÿ%%%ÿ '!ÿ%%

)*+,- /0ÿ 25ÿ /4ÿ 56

www.ombookcentre.in

+ ! " * ! $&' %! &*' %! ($) %! $$) "! $&$

, ! " ( ! $&" %! &*% %! ($" %! $$ "! ')&

-ÿ/01234ÿ504678ÿ39ÿ%*ÿ:12;010ÿ90/45ÿ<02ÿ0ÿ4801ÿ1=4>8/ÿ39ÿ?0@@78ÿ68/ÿ90/4ÿ39ÿ%$ÿA;@<ÿ0ÿ504678ÿ5@0120/228B;0@;31ÿ39ÿCB8!ÿ-55=4;1Dÿ@<8ÿ636=70@;31ÿ;5ÿ13/4077Eÿ2;5@/;>=@82FÿA<0@ÿA3=72ÿ>8ÿ@<8ÿ)*Gÿ?31C281?8

@<8ÿ504678ÿ5;i8ÿ\13@8ÿ@<0@ÿ@<8ÿ636=70@;31ÿB0/;01?8ÿ;5ÿD;B81ÿ012ÿ;@5ÿ635;@;B8ÿ5k=0/8ÿ/33@ÿ;5ÿ@<8ÿ5@0120/228B;0@;31ÿ39ÿ@<8ÿ636=70@;31]Zlÿ[ÿijR%ÿmÿ\nÿRÿ1 R%]Qÿ)'ÿ[ÿ !)'ÿmÿ\ R%ÿRÿ(&& R%]Qÿ)'ÿ[ÿ !)'ÿmÿ\&! *]ÿQÿ)'ÿ[ÿ&!%)(

Qÿ)*!$&'ÿ@3ÿ)'!%)(!

\W@=2EÿW855;31ÿ"Fÿ^32=78ÿ !%Fÿ_`Wÿ !a

www.ombookcentre.in

012345 67ÿ 6 ÿ

ÿÿÿÿÿ ÿ!ÿ"""ÿÿÿ "#

$%&!ÿ"""ÿÿÿ"""ÿ'ÿÿÿÿ!! ÿÿ'ÿÿÿ!ÿ()%&!ÿ"""ÿÿÿ'*"ÿÿÿ!ÿÿ'ÿÿ""!'ÿ!! 

1& '5ÿ&ÿ62ÿ7' ÿ88(82ÿ9:&ÿ88('4

ÿA "ÿ"ÿÿÿ!ÿH?ÿCÿIÿÿKÿ8KGÿIÿ8EEEÿKÿ1GDEE48KGÿIÿ8EEEÿKÿDEÿIÿGE(

1& '5ÿ&ÿ62ÿ7' ÿ88(82ÿ9:&ÿ88(4

www.ombookcentre.in

eÿC.;b0;ÿ/.FEC0ÿ;017@0/ÿ6>0ÿ/.FEC:4bÿ0;;3;ÿ.41ÿ6>0ÿ/6.41.;1ÿ10B:.6:34ÿ3Dÿ6>0ÿ/.FEC0ÿ/6.6:/6:@ÿ.;3741ÿ:6/E3E7C.6:34ÿB.C70!ÿf3G0B0;=ÿ6>:/ÿ130/ÿ436ÿ:FECWÿ6>.6ÿ6>0ÿ/.FEC0ÿ/>37C1ÿ<0ÿ./ÿC.;b0ÿ./ÿE3//:<C0=ÿ3;ÿ6>.6ÿ6>0/.FEC:4bÿ0;;3;ÿF7/6ÿ<0ÿ./ÿ/F.CC./ÿ@.4ÿ<0ÿ.@>:0B01!ÿZ.;b0;ÿ/.FEC0/ÿF:b>6ÿ@346.:4ÿ3</0;B.6:34/ÿ6>.6ÿ@3F0D;3Fÿ.ÿ1:d0;046ÿE3E7C.6:34=ÿ4ÿG>:@>ÿ@./0ÿ6>0WÿG37C1ÿ436ÿ40@0//.;:CWÿ:FE;3B0ÿ6>0ÿ0/6:F.60/ÿ3Dÿ6>0

E3E7C.6:34ÿE.;.F060;/!ÿg3/6ÿ.C/3ÿ:4@;0./0/ÿG:6>ÿ6>0ÿ/.FEC0ÿ/:c0!ÿa>04ÿ6>0ÿ@3/6ÿ3Dÿ:4@;0./:4bÿ6>0ÿ/.FEC0/:c0ÿ:/ÿb;0.60;ÿ6>.4ÿ6>0ÿB.C70ÿ3Dÿ6>0ÿ0V6;.ÿE;0@:/:34ÿb.:401=ÿ4@;0./:4bÿ6>0ÿ/.FEC0ÿ/:c0ÿ:/ÿ436ÿ.EE;3E;:.60!

S5671Wÿ50//:34ÿ"=ÿY317C0ÿ !'=ÿZ[5ÿ !hT

www.ombookcentre.in

<= "/ÿ=ÿ>0ÿ?" ÿ11*@0ÿAB=ÿ11*k

www.ombookcentre.in

012345 67ÿ 6 ÿ

ÿÿÿÿÿÿÿÿ ÿ!ÿÿ!ÿ"#ÿ$%ÿÿ%ÿÿÿÿ&ÿ ÿÿ'!ÿÿ(#ÿ)%ÿÿ%ÿ ! ÿ!!!ÿÿ%ÿÿ*

YG &# A-A &# Z/( # -& # (A # [-( A# &

\G &# ]Z &# Z[& # - # A]- # ZZ- A#

(Z-/] &# Z/ &# ]/- # A/ # Z&[ A# A[A

012345 67ÿ 6 ÿ

ÿÿÿÿÿ !" ÿÿ !ÿÿÿ#ÿ$ÿ ÿ !!%!&'ÿ(%!ÿ)!ÿ &&ÿ!ÿÿ)! !ÿ!ÿ)!ÿÿ &&ÿ&!"ÿ ÿ'

.+5)!ÿ &&ÿ!ÿÿ)!ÿ !ÿ! ÿD)!ÿ)!ÿ &&ÿ&!"ÿÿ)!ÿÿ

HDÿ!6 ÿIÿ:ÿJÿD)!!ÿIÿ#ÿ !ÿ &&ÿ&!"ÿ&K !&ÿ7ÿÿLÿ$'

/+5)!ÿ &&ÿ!ÿÿ)!ÿ !ÿ! ÿD)!ÿ)!ÿ &&ÿ&!"ÿÿ)!ÿÿ

HDÿ!6 ÿ ÿ:ÿJÿD)!!ÿ ÿ#ÿ !ÿ &&ÿ&!"'

01234744567

5)!ÿ7ÿ)ÿÿ!!ÿ! ÿD)ÿÿE!ÿÿ! !&ÿ"! ÿ ÿE"!ÿ7ÿ$ÿLÿG'ÿ5)!ÿ &&

!ÿÿ)!ÿ !ÿ! ÿD)!ÿ)!ÿ &&ÿ&!"ÿÿ)!ÿÿ ÿHDÿ!6 ÿIÿ:ÿJÿD)!!ÿI

<=&7ÿ=! ÿ>ÿ?&!ÿ$$'$ÿ@A=ÿ$$'B

www.ombookcentre.in

:;<=>? @Aÿ CDEÿ @Fÿ GH

ÿ8451ÿ515ÿ 115ÿ9 ÿI118 ÿ 15ÿ38ÿ ÿ54 951ÿ J.ÿ 115ÿ 3  ÿÿ

www.ombookcentre.in

TI *# +UO *# OR* +# NNN +# (UN +# OON (# QON

K7I *# +PU *# OSP *# UPN +# (SP +# O*R (# (R(

012ÿ4256789ÿ 6ÿ612 72ÿ6299 6186ÿ 7ÿ8ÿ 9 5ÿ61ÿ8ÿ285ÿÿ85ÿ8ÿ 62ÿ 8542ÿ6125ÿ 5ÿ ÿ612ÿ 2ÿ ÿ899 92ÿ ÿ2ÿ5ÿ987 841ÿ8ÿ5 789 5ÿ61ÿ8ÿ285ÿ289ÿ6 ÿÿ85ÿ8ÿ 8542ÿ289ÿ6 ÿÿÿ5ÿ 5ÿ 9872

 6!ÿ ... data-page="13">

:;<=>? @Aÿ CDEÿ @Fÿ GH

ÿ8451ÿ515ÿ 115 ÿ9 ÿI118ÿ15ÿ38ÿ ÿ54 951ÿ J.ÿ 115 ÿ 3ÿ 31ÿ59ÿ9388ÿ3ÿ3ÿK3 J.ÿ 115 ÿ3131ÿ/ÿ 8ÿ 7 3ÿ5383ÿ1398ÿ9 ÿ,/ÿ... 8

<= "/ÿ=ÿ>0ÿ?" ? ?11* @0ÿAB=? ?11* k

www.ombookcentre.in