From 76e87c4862cce22f6188ab6366097eaad94496df Mon Sep 17 00:00:00 2001
From: RohanUnni <rohanunni98@yahoo.com>
Date: Tue, 20 Nov 2018 11:39:01 +0000
Subject: [PATCH 1/4] Done

---
 __pycache__/__init__.cpython-36.pyc           | Bin 163 -> 151 bytes
 .../__pycache__/__init__.cpython-36.pyc       | Bin 177 -> 165 bytes
 .../__pycache__/build.cpython-36.pyc          | Bin 560 -> 534 bytes
 q01_cond_prob/build.py                        |   7 +++++++
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 183 -> 171 bytes
 .../test_q01_cond_prob.cpython-36.pyc         | Bin 1691 -> 1679 bytes
 6 files changed, 7 insertions(+)

diff --git a/__pycache__/__init__.cpython-36.pyc b/__pycache__/__init__.cpython-36.pyc
index 2ba0c8128ed226d8795f0b8b0cc1481272d86b4c..2a96cdfa8b4228f533ad55a5c23732ffeddf5890 100644
GIT binary patch
delta 51
zcmZ3?IGvHhn3tDJ?bGMzi5%wgF8UeyxvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
Gvn&CtL=mb0

delta 63
zcmbQvxR{Z{n3tF9(7ooUi5%wI0s0yFxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T<17KC-xiSo

diff --git a/q01_cond_prob/__pycache__/__init__.cpython-36.pyc b/q01_cond_prob/__pycache__/__init__.cpython-36.pyc
index a5c1ab27a925d7c6ab904d43c42e33fb15ea64d6..9904573e050191a242bd99fac13838ef9f5a5d2a 100644
GIT binary patch
delta 51
zcmdnUxRjB@n3tDJ?bGMzi5%wgLHZf_xvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
Gv)lo)rV-)*

delta 63
zcmZ3=xRH^=n3tF9(7ooUi5%wIarzngxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T<J<wSITpzP

diff --git a/q01_cond_prob/__pycache__/build.cpython-36.pyc b/q01_cond_prob/__pycache__/build.cpython-36.pyc
index 4654504299c0bacbf40adc47f518204d14780447..50e526aca008dbca1f1505c7f2b03376b5678c8f 100644
GIT binary patch
delta 158
zcmdnMGL1#qn3tDJ{nO{@%Zv;Rj~S2v6Oioy#KlGvl{Gn1*-}}X85tQS`dIQY14UVY
z*cl}2F>$iz#0RE~%#+0!mDN`=6tM$EfBEZY<maa92jyoZ=7r|vW$K6L7iAY0Bqpco
pC+DZ6POf8g<YWUXWMJfC6q|gCF<cO2XfX$n;9=rm;$r1s0RT?-Am{)9

delta 184
zcmbQnvVld}n3tC;QGRaJNk#^S#|%h-3CMN;;$p3d%9;~HEcsY~91wN}3HnT&?a5Nh
zT*Ex^i76w?WGO~v*C>JH{JfORlFa<P#GLqoqWq+l3`Oif#lNEUGxBp&^%IjaGWA{Z
zlS^|`^Gb^K(~D9o6HD@Q^%HY)6oAUJQj<%HC#Ntva&rJRF)(s5iZN<TUdI^D4{}N|
N8<5~(;$Y%p0{}bFD~bRB

diff --git a/q01_cond_prob/build.py b/q01_cond_prob/build.py
index 46a16ee..2c71fb7 100644
--- a/q01_cond_prob/build.py
+++ b/q01_cond_prob/build.py
@@ -1,3 +1,4 @@
+# %load q01_cond_prob/build.py
 # So that float division is by default in python 2.7
 from __future__ import division
 
@@ -8,5 +9,11 @@
 
 # Enter Code Here
 
+def cond_prob(df):
+    all_houses = df.shape[0]
+    houses_in_OldTown = df[df['Neighborhood'] == 'OldTown'].shape[0]
+    return (houses_in_OldTown/all_houses) * ((houses_in_OldTown - 1)/(all_houses - 1))* ((houses_in_OldTown - 2)/(all_houses - 2))
+cond_prob(df)
+
 
 
diff --git a/q01_cond_prob/tests/__pycache__/__init__.cpython-36.pyc b/q01_cond_prob/tests/__pycache__/__init__.cpython-36.pyc
index 9e8f52b9670fef7c8ebeab5aaf783861596b3735..cd2a36801e9a5aad86186a2ba52de29e6fff066b 100644
GIT binary patch
delta 51
zcmdnaxSEl}n3tDJ<J0Hpi5%wg5&9YVxvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
GvwQ)zBoX`o

delta 63
zcmZ3@xSf&1n3tF9Mq+E!L=JQ96#b0++*JL<q>M~`m;B_?+|<01V*T`@)XKz?{9OIS
SoE(LMqWrAX<dWivalQbaW)^$^

diff --git a/q01_cond_prob/tests/__pycache__/test_q01_cond_prob.cpython-36.pyc b/q01_cond_prob/tests/__pycache__/test_q01_cond_prob.cpython-36.pyc
index e8852e97b2c7d11e7e2c94ad7d3101fc05eb2f6d..da943f2c84208c0524139f49c4a1e0a7c7fa1c2f 100644
GIT binary patch
delta 54
zcmbQu+t15k%*)HA@#%B)MvlFV@=5v``MIh3LHQYpd7*iEnfl@RMcKs#iOH$@$@wX%
Kn?EqFW&r^9uoIX7

delta 66
zcmeC@oz2T(%*)GlBe6AVBgbAw?L7UA{M=Oi#H5T&eV6>?(%jU%l4AYzqSVU7lKfo#
W#GD+3f};Ga)Z~)l%}*Ftvj70@ZWtH<


From 18fee0b3e8eaf0cd78c708102fbb4be706b54369 Mon Sep 17 00:00:00 2001
From: RohanUnni <rohanunni98@yahoo.com>
Date: Tue, 20 Nov 2018 11:44:56 +0000
Subject: [PATCH 2/4] Done

---
 .../__pycache__/__init__.cpython-36.pyc       | Bin 187 -> 175 bytes
 .../__pycache__/build.cpython-36.pyc          | Bin 718 -> 676 bytes
 q02_confidence_interval/build.py              |  10 +++++++++-
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 193 -> 181 bytes
 ...est_q02_confidence_interval.cpython-36.pyc | Bin 2316 -> 2304 bytes
 5 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/q02_confidence_interval/__pycache__/__init__.cpython-36.pyc b/q02_confidence_interval/__pycache__/__init__.cpython-36.pyc
index 741ad2df56ebd795144517f30579112c8725c917..fb8e35803d5b3d0f7de026e1904ee37d61dd7793 100644
GIT binary patch
delta 51
zcmdnZxSo;2n3tDJ?bGMzi5%wgG5Q(#xvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
GvjPFP>=Ft9

delta 63
zcmZ3_xSNr~n3tF9(7ooUi5%wI8TuLdxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T;{pM-=N9n*

diff --git a/q02_confidence_interval/__pycache__/build.cpython-36.pyc b/q02_confidence_interval/__pycache__/build.cpython-36.pyc
index b478df2185179a11ca8a5a753fb3aedba6bb2ba4..959294bfc3344c43a5d70196255a4389e204ba73 100644
GIT binary patch
delta 377
zcmYjNze~eV5Pp}um!@fJU9?mLk-7xI3JwkqEx0%pQKT3_33*A|NPhIahaglC>OT+y
zE)Fg({xjnIRtGniZZ7%~96Y%1?zsEDJMN9Vkj`GCVLdGt7kv$(5A@Gejrz*@QP$aC
zrI?Zj<XFDtSLXnT!YQ(i?A~s9@JBLKB+3s9(sB0QUKg0^Z4{C@y3=RcOczF25jZr%
zD#h8)#()e)L1|w-8zf9wv6B^gw&mc+cVkJoa0Qn*PFUpVX&Ok429C}Jl{j+6SYke9
zq9o>*u-&V2H@Z??|3(^-%SMw}VlRn<SHv1h_xrp%P9nd1l8oK>ERHALVZyF?>Uw_H
zOQ@fJ!a@EFE4#%ouPZ=c!V=VB4VHm5Rc+T;MFpqEy-9kzQ{KmLKGe4Atat&l3TWn!
T+Ga~vDPK}xf~9myBxdCoxglAn

delta 417
zcmYk2Jxjwt7{~AO*7PMsQEZDtD-|UOW)N{uP_UDOgD#T65_1=mkeBxEEL7^Gt3$}_
z=HliD@FR#HAgj1KIXU?>lYjXAx#xMf|2^EZ`l0rB45RkmeX<7<LZ9fL6gVFN{37e`
zZBQ+&g>|YExr2y8)JMs#(yE7vMk){3ZV-HqOg$T!o52r8$dn4~6bcV+sS9N(4O|6|
z0e+Ibc2;I6RPNE8Jd<X!P(uys3X!v~Zc916_DX#pnz+DYHV-lNyocM1w#)@7l-LnI
zyf9`WKf_y>Dm3ZDZgSxy#9?Ge8B1BQ<fe%i5SqAj7$kzSi4(mbW<cC8wfr=umUHC?
z)*y9nVwwnUT{Aj$L>gO86!k_d4XG=5{)YE=Sp#m(;d4V+$4#J(7jQW-4W>ieu5&jS
zO}AkY!I_pHNb9SGL_Ai9VWBZtFO3V$_0zzmtdU33S_}Rj@g|s#YY<twvW))#JyvK{

diff --git a/q02_confidence_interval/build.py b/q02_confidence_interval/build.py
index 023b81e..49206e5 100644
--- a/q02_confidence_interval/build.py
+++ b/q02_confidence_interval/build.py
@@ -1,3 +1,4 @@
+# %load q02_confidence_interval/build.py
 # Default imports
 import math
 import scipy.stats as stats
@@ -9,5 +10,12 @@
 
 # Write your solution here :
 
-
+def confidence_interval(sample):
+    sample_mean=sample.mean()
+    z_critical = stats.norm.ppf(q = 0.95)  # Get the z-critical value*
+    sam_stdev = df['GrLivArea'].std()
+    margin=z_critical*(sam_stdev/math.sqrt(df.GrLivArea.shape[0]))
+    conf=(sample_mean - margin, sample_mean + margin)
+    return conf
+confidence_interval(sample)
 
diff --git a/q02_confidence_interval/tests/__pycache__/__init__.cpython-36.pyc b/q02_confidence_interval/tests/__pycache__/__init__.cpython-36.pyc
index 2eb0cc486e78e2a412ba8dab98d1f27df5f7cde5..b69a5071e4117071ed7a64ba2d373cf554865772 100644
GIT binary patch
delta 51
zcmX@exRsH^n3tDJ?bGMzi5%wgN%|T2xvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
Gv%&$p77`)=

delta 63
zcmdnWc#x69n3tF9Mq+E!L=JQ9JpGLP+*JL<q>M~`m;B_?+|<01V*T`@)XKz?{9OIS
SoE(LMqWrAX<dWivap3@^6c(fa

diff --git a/q02_confidence_interval/tests/__pycache__/test_q02_confidence_interval.cpython-36.pyc b/q02_confidence_interval/tests/__pycache__/test_q02_confidence_interval.cpython-36.pyc
index c3788ca888768b1814d7bddbf565e723201f41ad..97442c4e93383876ae656d8892fe99f2fb88fa3d 100644
GIT binary patch
delta 54
zcmeAXY7pWu=H=y5`}8?_BgY#?`7-^C{M=Oip!|%)ywJS7O#SfuqU_>=#N<@{<ouM>
J&GJld*#P-w6FC3?

delta 66
zcmZn=>Jj2F=H=zOk=Powk>d@cc9VWaer~FMVp2w?zDs^`X>Mv>NwI!<QEFvkNq(+=
VVor`iK~a8IYH~^OW?`ncYyk7J7rOue


From 28b58c4c7da106fdeda61abd4bfcb3b7509b4163 Mon Sep 17 00:00:00 2001
From: RohanUnni <rohanunni98@yahoo.com>
Date: Tue, 20 Nov 2018 12:46:23 +0000
Subject: [PATCH 3/4] Done

---
 .../__pycache__/__init__.cpython-36.pyc       | Bin 174 -> 162 bytes
 q03_t_test/__pycache__/build.cpython-36.pyc   | Bin 523 -> 521 bytes
 q03_t_test/build.py                           |   6 ++++++
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 180 -> 168 bytes
 .../test_q03_t_test.cpython-36.pyc            | Bin 2307 -> 2295 bytes
 5 files changed, 6 insertions(+)

diff --git a/q03_t_test/__pycache__/__init__.cpython-36.pyc b/q03_t_test/__pycache__/__init__.cpython-36.pyc
index cac7d291ce27aa37820fd1dcd256be95534d4e6d..2a3c6866b51c942296e3f46724616d35f45e9389 100644
GIT binary patch
delta 51
zcmZ3-xQLO%n3tDJ?bGMzi5%wg{`wjDxvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
Gvs?hN5fRn^

delta 63
zcmZ3)xQ>y-n3tF9(7ooUi5%wI(fS$rxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T<6Ho(I2OGC

diff --git a/q03_t_test/__pycache__/build.cpython-36.pyc b/q03_t_test/__pycache__/build.cpython-36.pyc
index d55dfcffc99b8ed252ef8a44fbaf9847ab10a066..37e1f4694adacc85561dca6d7333c653d011b5e5 100644
GIT binary patch
delta 282
zcmeBX>10th=H=yj$@nF@ijjfgF#{4{0<s-|xY%H#vN}g9TPkZaBO}8^FI_&63=0rD
zgJi8HwyI0iGS)Druu3vO$P~70mNced22J*f2Ml>%0u5$JKYIoQ-c0-{r_XeYDJAU|
zW5r5_B6gtEFCYDk{M=Oip!|%)ywJS7O#SfuqU_>=#N<@{<ouM>$*GKbMz^?2;)_cX
zOEQZ~GLyML_Oby921YSP0mdRuAWM@yin};Dv!GHBq^!7zW%6!DDGOGh3|Ja$6B5Az
dl(@xVlbfGXnv-hB4CEDqgt!<vn7CLtSOBDwK{fyY

delta 305
zcmeBV>1I(j=H=yjEk8HPijjfgF#{4{0<s-|xL9MNviigzT|Q<YhXsh8L4sxzd(}l^
zm}(honQDMAg*BTYjVYKxlWpP|Lyq)WGeKbGWG+TIKjvFZDQUO3OX7=55=%0ROEQzA
z*bCyz5_3vZS27f_0S)^Vp`VeTo2s9fl#!|LlAm0fo0?Zrte;+#TA5gqpR1pklcP{j
zl%JKFTv9waoKdf$h!v=d8{`a-dl(qC7{MZ%>`~ms$(aR}dLXNci$D&(#a57*my%d~
zi>V;x7DrKPVoH2+aaj>aA6O6A0Z0TpNDqfiZhlH>PO2R!42nTc<YMGt;$i~;c-TvB

diff --git a/q03_t_test/build.py b/q03_t_test/build.py
index f966b62..9222e62 100644
--- a/q03_t_test/build.py
+++ b/q03_t_test/build.py
@@ -1,3 +1,4 @@
+# %load q03_t_test/build.py
 # Default imports
 import scipy.stats as stats
 import pandas as pd
@@ -6,4 +7,9 @@
 
 
 # Enter Code Here
+def t_statistic(df):
+    x=stats.ttest_1samp(a= df[df['Neighborhood'] == 'OldTown']['GrLivArea'],               # Sample data
+                 popmean= df['GrLivArea'].mean())
+    return(x[1],(x[1]>.9))
+t_statistic(df)
 
diff --git a/q03_t_test/tests/__pycache__/__init__.cpython-36.pyc b/q03_t_test/tests/__pycache__/__init__.cpython-36.pyc
index c48929092cfb36da263304e1c41ce26f2e59ebaa..fc5709b91bf9641b14e4c3c2d3fb729522446bd9 100644
GIT binary patch
delta 51
zcmdnOxPp<xn3tDJ?bGMzi5%wgq52v5xvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
Gv%CPbI}z>x

delta 63
zcmZ3%xP_6!n3tF9Mq+E!L=JQ9ME#8X+*JL<q>M~`m;B_?+|<01V*T`@)XKz?{9OIS
SoE(LMqWrAX<dWivab5tNWfpJ%

diff --git a/q03_t_test/tests/__pycache__/test_q03_t_test.cpython-36.pyc b/q03_t_test/tests/__pycache__/test_q03_t_test.cpython-36.pyc
index ffd3551b78008c1e5a9bb300105c4015464df97f..6ba0931f4bbba0914aa7409acd0821ad5599894d 100644
GIT binary patch
delta 54
zcmZn``Yy;}%*)HA_UUu<Mvlvj@-g}u`MIh3LHQYpd7*iEnfl@RMcKs#iOH$@$@wX%
Ko7tHDvH<`G%@b+>

delta 66
zcmew^*et|h%*)GlBe6AVBgbV%?F{{l{M=Oi#H5T&eV6>?(%jU%l4AYzqSVU7lKfo#
W#GD+3f};Ga)Z~)l&A%A`vH<`I%oytc


From 1f3e8f809a6c2194f5ca00687d351ea90438bb98 Mon Sep 17 00:00:00 2001
From: RohanUnni <rohanunni98@yahoo.com>
Date: Tue, 20 Nov 2018 12:50:24 +0000
Subject: [PATCH 4/4] Done

---
 .../__pycache__/__init__.cpython-36.pyc       | Bin 177 -> 165 bytes
 .../__pycache__/build.cpython-36.pyc          | Bin 604 -> 608 bytes
 q04_chi2_test/build.py                        |   9 +++++++++
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 183 -> 171 bytes
 .../test_q04_chi2_test.cpython-36.pyc         | Bin 1938 -> 1926 bytes
 5 files changed, 9 insertions(+)

diff --git a/q04_chi2_test/__pycache__/__init__.cpython-36.pyc b/q04_chi2_test/__pycache__/__init__.cpython-36.pyc
index 07afcf050f12f3301d4c6770275250f5d539aa29..cafa65e4207cebee6415345195e99f35cc22267b 100644
GIT binary patch
delta 51
zcmdnUxRjB@n3tDJ?bGMzi5%wgLHZf_xvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
Gv)lo)rV-)*

delta 63
zcmZ3=xRH^=n3tF9(7ooUi5%wIarzngxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T<J<wSITpzP

diff --git a/q04_chi2_test/__pycache__/build.cpython-36.pyc b/q04_chi2_test/__pycache__/build.cpython-36.pyc
index 699bd6ac19c2845f16b2ff9f235a37aaeb9035d3..a332d7c7ba1e8528a0b97258db6ef416781466d3 100644
GIT binary patch
delta 397
zcmYjM%SyvQ6rGt&CTVJ2xO7`VB4`A6;%g-$zOaZ81({~XHfdhYBo!sWMb|D$SLz3d
zzZ6^uuH3tF<)o_~xR-Mu=N|4S{=)5zR?8yV@6{Uw;2X>UDZZydu8-TxCMR4UK?uf&
zn@{_yn}GlpAV7h}AVW-JxTi7wSu3HMU^USTI6@`LNMICb1g~+amAKSPQs4qJG61)z
z18n2uM^o2aeBk%`E{Qnv^Qh9o<lcrA32B#yviJH@<73x0E0i*K72kPz<~BMs<Y&V7
zctwUZ%(-+;Pb5-iwCgsGXv{iclJdz4JYH%lkH1r=pG4d_Px>^zh-2TmOvFH@)Z>nq
zFg|&Q+mBZLu&EM&i*Oz;K+#g%Hr%H4{PbZ>9nYjNRIehbvY=Avbzurl*^MWMq83j@
bqBfmLbJM-8C}DZXcj~XFMiw-Yg-!h*=vQOO

delta 392
zcmYjNJx{|h5VajAO<F2dY-Os{p=2RQEC}&6Fmz}UqMJcNZfw$&qz-lhR7%9qnW5?g
z5<j4SsbWB4;x91abm~cWx_9^P>F&Pq7j7Ta>(xf<lOzy;AFyFa=jYnh?!4WZUmv}8
zHAul2=77N_V2BwEGcz!l^=1@McaZK>njnWWRG`!t;~dT4EiQ}#7iMAQILFL>0QYDB
zT<4NF0~+xw8T$O!(9#5V!(c?LK4)PT6Qd`dUAVF$I^>ZePOn2JY!Hcr2OsaHEzewY
zg%U>aqo1Y3_N7oNrNhM`?C(2T@bAVOiI{tII10TB;b$?Qq{<5<pVCys9*v?_BE^{d
zsah=I$;(!Gt*rxqJFo$_p{(iLt&p1X!(_Ur)l(%+U0Yd+-i9iPOJGY**`2SRq^03{
bNR|t1gzB1i91E63{Iq<nD!El?qiW?JA)8`d

diff --git a/q04_chi2_test/build.py b/q04_chi2_test/build.py
index 4f20455..30290c6 100644
--- a/q04_chi2_test/build.py
+++ b/q04_chi2_test/build.py
@@ -1,3 +1,4 @@
+# %load q04_chi2_test/build.py
 # Default imports
 import scipy.stats as stats
 import pandas as pd
@@ -6,5 +7,13 @@
 
 
 # Enter Code Here
+def chi_square(df):
+    price=pd.qcut(df.SalePrice.values,3,labels=['High', 'medium', 'low'])
+    freqtab = pd.crosstab(df.LandSlope, price)
+    chi2,pval,dof,expected = stats.chi2_contingency(freqtab)
+    return (pval,(pval<.05))
+chi_square(df)
+
+
 
 
diff --git a/q04_chi2_test/tests/__pycache__/__init__.cpython-36.pyc b/q04_chi2_test/tests/__pycache__/__init__.cpython-36.pyc
index 45a1b92bf8f907964bb7391c2292492de4735b27..185694bbe162cd8c2047523c2f0fa021c07de172 100644
GIT binary patch
delta 51
zcmdnaxSEl}n3tDJ?bGMzi5%wg5&9YVxvBa=`5B3Mp?P_k`r-LS*~JBk$*KCu`6;Or
GvwQ)y&=L9o

delta 63
zcmZ3@xSf&1n3tF9Mq+E!L=JQ96#b0++*JL<q>M~`m;B_?+|<01V*T`@)XKz?{9OIS
SoE(LMqWrAX<dWivalQbaW)^$^

diff --git a/q04_chi2_test/tests/__pycache__/test_q04_chi2_test.cpython-36.pyc b/q04_chi2_test/tests/__pycache__/test_q04_chi2_test.cpython-36.pyc
index b2a8c04f4d985556ed1d8f547cba6347f75a6089..92b46860a0fdfb31d91ca2f16526ab0c9c01e7e9 100644
GIT binary patch
delta 54
zcmbQl-^R~j%*)HA_UUu<Mvh~Q@=5v``MIh3LHQYpd7*iEnfl@RMcKs#iOH$@$@wX%
Kn}0ISWCZ~9%oB+K

delta 66
zcmZqUpTy5$%*)GlBe6AVBgZjD?L7UA{M=Oi#H5T&eV6>?(%jU%l4AYzqSVU7lKfo#
W#GD+3f};Ga)Z~)l&2JfJvH}3?s2B?X