mth 231 nerd inspiring minds/mth231nerd.com

7/26/2019 MTH 231 NERD Inspiring Minds/mth231nerd.com

1/15

MTH 231 NERD Inspiring Minds/mth231nerd.com


2/15

MTH 231 NERD Inspiring Minds

MTH 231 Entire CourseFOR MORE CLASSES VISIT

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MTH 231 Week 1 DQs

MTH 231 Week 1 Populations and Sampling Paper

MTH 231 Week 2 DQs

MTH 231 Week 2 DataOrganiing! Summariing! Pro"a"ilit#! and Distri"ution

Works$eetMTH 231 Week 3 DQs

MTH 231 Week 3 %i&e S'ien'es (rti'le (nal#sis

MTH 231 Week ) DQs
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3/15


MTH 231 *inal E+am ,uide Set 2

FOR MORE CLASSES VISIT

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We have another set o ina! e"am g#ide which co#!d $e o#nd on this !in%

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1- .& #ou randoml# sele't one "utter&l# &rom t$e ta"le a"o/e! 0$at is t$e pro"a"ilit# o& sele'ting a red "utter&l# or

one 'olle'ted in spring

2- .& #ou randoml# sele't one "utter&l# 'olle'ted in spring! one "utter&l# 'olle'ted in summer! and one "utter&l#'olle'ted in autumn! 0$at is t$e pro"a"ilit# o& sele'ting all #ello0 "utter&lies

3- Determine t$e appropriate approa'$ to 'ondu't a $#pot$esis test &or t$is 'laim *e0er t$an 4 o& patients

e+perien'e negati/e treatment e&&e'ts- Sample data O& 55 randoml# sele'ted patients! 2-24 e+perien'e negati/e

treatment e&&e'ts-

(6 7se t$e normal distri"ution-

86 7se t$e Student tdistri"ution-

C6 7se t$e '$i9s:uare distri"ution-
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4/15


MTH 231 Week 1 DQ 1 and DQ 2


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Week 1 DQ 1

Sele't t$e 'ommodit# o& #our "est interest "# ti'king t$e "o+- ;ou s$ould get

t$e data ta"le t$ru 'li'king


5/15


MTH 231 Week 1 .ndi/idual (ssignment Populations


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?esour'es C$- 1 o& t$e te+t! t$e .nternet! and t$e 7ni/ersit# %i"rar#

Consider $o0 li&e s'ien'es resear'$ers 'olle't in&ormation &rom samples to learn

a"out populations-

Write a @559 to 1!5590ord paper a"out sampling &rom populations-

.n'lude t$e &ollo0ing in&ormation

De&ine population and des'ri"e t$e '$ara'teristi's o& a population-

De&ine sample and des'ri"e t$e '$ara'teristi's o& a sample-

Compare samples and populations and e+plain $o0 t$e 'on'epts are related- Pro/ide

e+amples to illustrate #our arguments-
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6/15


MTH 231 Week 2 DQ 1 and DQ 2FOR MORE CLASSES VISIT

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Week 2 DQ 1

Suppose a "ird0at'$er a/erages spotting 5-3 rare &in'$es e/er# da# during t$e t0o

$ours allotted &or 0at'$ing- T$is means t$at t$e "ird0at'$er spots! on a/erage!

t$ree rare &in'$es e/er# 15 da#s- T$e a/erage is "ased on 'onsidera"le e+perien'e-

O/er a gi/en 159da# period! t$e "ird0at'$er sees ero rare &in'$es in &i/e da#s!

and on t$e si+t$ da#! t$e "ird0at'$er de'lares! lurking! unseen6 /aria"les in/ol/ed- T$ere is! $o0e/er! a &la0 in t$e

"ird0at'$erAs statement- W$at is t$e error and 0$# is it 0rong
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7/15


MTH 231 Week 2 .ndi/idual (ssignment Data9OrganiingFOR MORE CLASSES VISIT

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?esour'es C$- 2B) and (ppendi+ 8 o& t$e te+t and Statdisk

Complete t$e 7ni/ersit# o& P$oeni+ Material DataOrganiing! Summariing!

Pro"a"ilit#! and Distri"ution Works$eet lo
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8/15


MTH 231 Week 3 DQ 1 and DQ 2FOR MORE CLASSES VISIT

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Week 3 DQ 1

W$at are t$e '$ara'teristi's o& a normal pro"a"ilit# distri"ution &un'tion >pd&6-

W$at is t$e standard normal pd& Ho0 is it related to t$e normal pd& and 0$# is it

use&ulE+plain t$e Empiri'al ?ule .s it used &or roug$ estimates or pre'ise 'al'ulations

8rie&l# tell $o0 to use Ta"le (92 in t$e (ppendi+ o& our te+t to 'al'ulate 9/alues

>Triola! 2556- Ho0 is area under t$e standard normal 'ur/e related to

pro"a"ilit# .s t$e ta"le arranged so t$at pro"a"ilit# is 'umulati/e &rom t$e le&t

or &rom t$e rig$t
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9/15


MTH 231 Week 3 Team (ssignment %i&e S'ien'es (rti'leFOR MORE CLASSES VISIT

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?esour'es C$- 3 and ) o& t$e te+t! t$e Week T0o Ele'troni'

?eser/e ?eadings


10/15


MTH 231 Week ) DQ 1 and DQ 2FOR MORE CLASSES VISIT

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Week ) DQ 1

State t$e 'riteria &or '$oosing a t9test and a 9test- T$en gi/e an e+ample o& a

pro"lem in 0$i'$ #ou 0ould use 9test to e/aluate t$e data- e+t! take t$e

same e+ample and modi it so t$at a t9test 0ould "e pre&era"le- E+plain

0$#-

Week ) DQ 2

.n general terms

F W$at is a null $#pot$esis

F W$at is an alternati/e $#pot$esis
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11/15


MTH 231 Week ) .ndi/idual (ssignment Distri"utionFOR MORE CLASSES VISIT

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?esour'es C$- B@ o& t$e te+t and Statdisk

Complete t$e 7ni/ersit# o& P$oeni+ Material Distri"ution! H#pot$esis Testing! and

Error Works$eet! lo'ated in Week *our o& t$e student 0e"site-
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12/15


MTH 231 Week ) Team (ssignment Con&iden'e .nter/alsFOR MORE CLASSES VISIT

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?esour'es C$- and o& t$e te+t! t$e 7ni/ersit# %i"rar#! t$e .nternet! and

Statdisk

.denti a normall# distri"uted /aria"le related to #our '$osen li&e s'ien'e t$at

ser/es as #our e+ample /aria"le- ?e/ie0 t$e data sets presented in(ppendi+ 8 o& t$e te+t and in Statdisk! sele'ting one t$at 'orresponds 0it$

#our '$osen li&e s'ien'e- C$oose a parti'ular /aria"le #ou 0ould like to

e+plore and use Statdisk to determine i& its distri"ution is appro+imatel#

normal-
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13/15


MTH 231 Week *inal E+am ,uide Set 1FOR MORE CLASSES VISIT

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MTH 231 Week *inal E+am

7se t$is 0orks$eet &or #our ans0ers- ;our s'ore! "ased on t$e points s$o0n &or t$is e+am in

t$e ru"ri'! 0ill "e 'orre'ted to t$e "asis points s$o0n &or t$e &inal e+am in t$e s#lla"us-Su"mit to t$e (ssignments Se'tion "# 11G pm o& t$e last da# o& 'lass- %ate 0ork 0ill not

"e a''epted-

1- T$e &ollo0ing are t$e s'ores o"tained "# 35 students in epidemiolog# test

3 @ G) @@ 2

@G @2 1 3G2 1 @1 @G @5
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14/15


MTH 231 Week Team (ssignment H#pot$esis TestingFOR MORE CLASSES VISIT

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?esour'es C$- @ and and se'tions G91 and G92 in C$- G o& t$e te+t

Complete t$e 7ni/ersit# o& P$oeni+ Material H#pot$esis Testing and Correlation

Works$eet! lo'ated in Week *i/e o& t$e student 0e"site
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15/15

MTH 231 NERDInspiring Minds

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