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

  !

" #

$ #

 %"&'

Q15

()#*+(,-&"&

''(./0-""1/2-"& *3+

% 

415 1&54&4454$& 5$54&& "& 6565&

4"&55&4115&&55& 1&61555445& 6&

71 5&45&5 & 5& 75 154$55&&55&

6581& $5 5&611 7&4&&45& 854$5

465$15 5&4758$5 65 8&4$54&&465

$6545&44&4$5865 4&&4654 &4"&45&

8$5 1&47555&85& 4$545&8$&5&&4&&

875 7545&55&4$5 $15 5& && 8&4&&

9#:;<=

:>?

@?@!:;

(?'

#:

A*=4&%+-4664$5

:<'*"+-""1

@*"+-4&

B*=4&+-4 6 5

:<'*$+-"&

@*$+-4&

#:*9+-*A!B+C:D*"E$C"+F*$E$C$+

9-4664$5!4 6 5C:D**"4"8"C4&+F*"&8&1C4&++



G9G-"8"

HI

#IG9,GJK:&"L"$7

G9G-"8"MG9,G-"$7

=3<

?IG9GNG9,G

O!I.)#!?.*ON"8"+-&&5 85

?IO&"N&&5 85?)P?

'

 !"

Q17

Q:3(#P33(,-&&5

'*3+

% J

6885&744""8$"5" "85&$$ 8 &&$4&$74&"&

=M:<H%J

#>.

#<=>DI

:>?

@?#@!:;

(?'!#

#:

A*=+-1&1

:<'*"+- 18& 5 5$R@*"+-5

B*=+-$175$

:<'*$+-14867$R@*$+-5

#:*+-*A!B+C:D*"E$C"+F*$E$C$+

-1&1!$175$C:D**"58744&&&& C5+F*718 18"555$C5++

$%&'(

GG-45$ 6

HI

#IG,G=*"!"$!"+%'

GG-45$ 86MG,G-$" $

=3<

?IGGNG,G

O!I.

JS#!?.*OT!45$ 6+-&&&5 "

?IO&&5N&&&5 "?)P?

 )"*" +

Q19

#'"5%HU8$458#'U185$#

'""=U8&$" 'U$&&1(,-&&5

'''>O!'*3+

#<=>DI

:>?

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(?'''!

#:

A*=+-8$458

:<'*"+-185$R@*"+-"5

B*=+-8&$"

:<'*$+-$&&1R@*$+-""

#:*+-*A!B+C:D*"E$C"+F*$E$C$+

-8$458!8&$" C:D**1 "8""&4C"5+F*4& 8&7"C""++

,-(%

GG-&7648

HI

#IG,G=*"!"$!"+,-

GG-&76456MG,G-"7"$

=3<

?IGGTG,G?.

O!I.

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/0 1 

Q21

%O##(S3

#'(,-&&5*3+

? " $ 4 5 8 6 7 1 "&

V 4 7 6 8 4 1 6 8 5

(S 8 5 1 6 4 5 "& 8 1 8

:?

@?#,2,

(?2#,

#:

-C*:CW+



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-*A!B+C+-!&7

'-!&7

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-C*:CW+-$(%

HI

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GG-!"6"MG,G-"7

=3<

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Q1 When you are testing the difference between two means, it is not important to distinguish whether the samples are independent of each other. False - explain why? A. False, It is Important to assume both samples are independent. We use below 3 assumptions while testing difference between two means- 1. The sampling method for each sample is simple random sampling. 2. The samples are independent. 3. Each population is at least 10 times larger than its respective sample Q15 Apartment Rental Fees. The data shown are the rental fees (in dollars) for two random samples of apartments in a large city. At ? = 0.10, can it be concluded that the average rental fee for apartments in the east is greater than the average rental fee in the west? Assume: ? ?= 119 and ??= 103.(show work) East West 495 390 540 445 420 525 400 310 375 750 410 550 499 500 550 390 795 ...
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