From 377cd1e406ffdecb406e3d55d662a644ad9bd673 Mon Sep 17 00:00:00 2001
From: ramakrishnasonakam <ramakrishnasonakam@gmail.com>
Date: Sat, 27 Oct 2018 04:20:47 +0000
Subject: [PATCH 1/4] Done

---
 __pycache__/__init__.cpython-36.pyc           | Bin 163 -> 160 bytes
 .../__pycache__/__init__.cpython-36.pyc       | Bin 177 -> 174 bytes
 .../__pycache__/build.cpython-36.pyc          | Bin 560 -> 567 bytes
 q01_cond_prob/build.py                        |   7 +++++++
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 183 -> 180 bytes
 .../test_q01_cond_prob.cpython-36.pyc         | Bin 1691 -> 1688 bytes
 6 files changed, 7 insertions(+)

diff --git a/__pycache__/__init__.cpython-36.pyc b/__pycache__/__init__.cpython-36.pyc
index 2ba0c8128ed226d8795f0b8b0cc1481272d86b4c..63a36f41a6c91250b721ab72a059b114ce46ee63 100644
GIT binary patch
delta 60
zcmZ3?xPXzvn3tDJ;MwKqi5%t{zWN#YxvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SFJ<VAB<B

delta 63
zcmZ3$xR{Z{n3tF9(7ooUi5%wI0s0yFxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T(=7q0C>Emt

diff --git a/q01_cond_prob/__pycache__/__init__.cpython-36.pyc b/q01_cond_prob/__pycache__/__init__.cpython-36.pyc
index a5c1ab27a925d7c6ab904d43c42e33fb15ea64d6..9e6ac8233084d3eb3458430d9c0a84f3f7891d16 100644
GIT binary patch
delta 60
zcmdnUxQ>y-n3tDJ;MwKqi5%t{(fS$rxvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SLd_X|ENe

delta 63
zcmZ3-xRH^=n3tF9(7ooUi5%wIarzngxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T)7=5Ff)?8V

diff --git a/q01_cond_prob/__pycache__/build.cpython-36.pyc b/q01_cond_prob/__pycache__/build.cpython-36.pyc
index 4654504299c0bacbf40adc47f518204d14780447..e706d6290850f72a048e2494034f49a8998c4704 100644
GIT binary patch
delta 125
zcmdnMvYkcQn3tDp+VjiN-xwJf9y1^TCLr4Zh>MLTDr<72vZb;%Gcq!4^kHYzh|tf-
z&rQ`YO3Y2nF3K#<$V)8F&r8fs%+(LiFUl@1NK8)EPtH$Com|Ig!^k~(H)EP0Gsq+k
OAi=}L!NkSF!3qF^EglsB

delta 117
zcmdnavVld}n3tC;QGRaJNk#^S#|%h-3CMN;;$p3d%9<NP*cr8>^)vEwQ}q**GBWjD
z@{>z*Q}arS_0x+|D-%odbM+H*auf=R^0QKtONu8qGuklnOg_Mv#t$;5m<>qqFmW((
Gu>k;8m>ezu

diff --git a/q01_cond_prob/build.py b/q01_cond_prob/build.py
index 46a16ee..551def0 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
 
@@ -7,6 +8,12 @@
 
 
 # Enter Code Here
+def cond_prob(df):
+    all_houses = df.shape[0]
+    houses_in_OldTown = df[df['Neighborhood'] == 'OldTown'].shape[0]
+    conditional_prob = (houses_in_OldTown/ all_houses) * ((houses_in_OldTown-1)/ (all_houses-1)) * ((houses_in_OldTown-2)/ (all_houses-2))
+    return conditional_prob
+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..a933c8210cad039f847eb840658e0b601e5df1f3 100644
GIT binary patch
delta 60
zcmdnaxP_6!n3tDJ@Y&_)i5%t{iTWA&xvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SI5)ZLSr)

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

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..9247db3a4ab95f4d6fb23008934e878e24ab87d5 100644
GIT binary patch
delta 63
zcmbQuJA;?Qn3tDJ@Y&_)jU0O!HL~?H@^e%5ixP7avx_o|Gx8FP^Yaq36La;$^NX^J
T3lfu4^^@~cQa68KT+IRix|<hS

delta 66
zcmbQiJDZoon3tF9Mq+E!MvlFV+IjjJ`MIh3iAfom`Y!p&rManjCB^#bMX8mECHcAf
Wi8(n61x5K;smUe9o8L07W&r^3<QOUd


From 24f721bc0a3366b9859205819d83d6d64252979d Mon Sep 17 00:00:00 2001
From: ramakrishnasonakam <ramakrishnasonakam@gmail.com>
Date: Wed, 31 Oct 2018 09:08:54 +0000
Subject: [PATCH 2/4] Done

---
 .../__pycache__/__init__.cpython-36.pyc       | Bin 187 -> 184 bytes
 .../__pycache__/build.cpython-36.pyc          | Bin 718 -> 713 bytes
 q02_confidence_interval/build.py              |  18 ++++++++++++------
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 193 -> 190 bytes
 ...est_q02_confidence_interval.cpython-36.pyc | Bin 2316 -> 2313 bytes
 5 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/q02_confidence_interval/__pycache__/__init__.cpython-36.pyc b/q02_confidence_interval/__pycache__/__init__.cpython-36.pyc
index 741ad2df56ebd795144517f30579112c8725c917..aab253c466f0b7b3960d1c6c044d7e07ebeb1990 100644
GIT binary patch
delta 60
zcmdnZxPy_yn3tDJ;MwKqi5%t{srniDxvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SD#Va03<0

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

diff --git a/q02_confidence_interval/__pycache__/build.cpython-36.pyc b/q02_confidence_interval/__pycache__/build.cpython-36.pyc
index b478df2185179a11ca8a5a753fb3aedba6bb2ba4..afed6d97a33e2ee162c32c978c2211aae6ffde2a 100644
GIT binary patch
delta 266
zcmYjMyGq1B6rFoFGnq}Y79xlUf^4%^DJ*Tav=>$w3mJ1~$tF%FPEfECSzD|4BYuXB
zy=g7Pzi?a|51dzX;JouU{%|~*B>OiX7u(3#C;Nve<auDX2tthDnyEhrg_}OAA{A{C
zSHg%YCR~G(2CH$E7)hf&MiKF6RH;dqK!V~YP?^cr48q<SJCfh8k0&s@%1dWW?zPpm
zUv*`pJJ;x1+x*=5x@&b|^1_knzhDmIeujq$Z*FaSKVZ}Lr+6?Oq&J!_i|%efS`NbN
hhMXNlQMy%Od>StFFF4(W-$PqLBuGe5Vgfsm#XnZRK%M{q

delta 269
zcmX@fdXBZ;n3tF9jQrdv7bXUV#|%h-1;};);^GJ(k;0I|n8OeSp&7H7qL{!U%uy_0
znl*|ol_iTkg{he_iX)XHg;|mziZhihiz|y8!b@REVeMrCigBhfrm&^3w=hQWq%a0E
zXl|^vWz<g9&&bbB)lW>y$kcbqPcF?(%_}L^PcKTXOf1RI)lbaHQ79<N&q_@$DW3d@
z(Sea?vNDt6WPc`Ey(rea(%gc|TTFQcw>XMY6I0@oi_2~?rKA;c16_TKttc@sB|rBT
iTXIHzW^(G}ekNscpg$Rk`G5omBNrnF5CTaS5k>$9wn2yh

diff --git a/q02_confidence_interval/build.py b/q02_confidence_interval/build.py
index 023b81e..c75891d 100644
--- a/q02_confidence_interval/build.py
+++ b/q02_confidence_interval/build.py
@@ -1,13 +1,19 @@
-# Default imports
 import math
-import scipy.stats as stats
-import pandas as pd
 import numpy as np
-df = pd.read_csv('data/house_pricing.csv')
-sample = df['GrLivArea']
+import scipy.stats as stats
 
+import pandas as pd
 
-# Write your solution here :
+df = pd.read_csv('data/house_pricing.csv')
+sample = np.random.choice(a=df['GrLivArea'], size=500)
+def confidence_interval(sample=sample):
+    sample_mean = sample.mean()
+    z_critical = stats.norm.ppf(q=0.95)
+    stdev = sample.std()
+    standard_error = z_critical * (stdev / math.sqrt(sample.shape[0]))
+    confidence_interval = (sample_mean - standard_error, sample_mean + standard_error)
+    return confidence_interval
+confidence_interval()
 
 
 
diff --git a/q02_confidence_interval/tests/__pycache__/__init__.cpython-36.pyc b/q02_confidence_interval/tests/__pycache__/__init__.cpython-36.pyc
index 2eb0cc486e78e2a412ba8dab98d1f27df5f7cde5..f654aede4ea8e24c53509db1ee9c5b0f3e9f2334 100644
GIT binary patch
delta 60
zcmX@exQ~&;n3tDJ;MwKqi5%t{+4>pzxvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SKkrbI%pz

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

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..e834d8b9a0a213ba79c2bd69ba5d1ee846202265 100644
GIT binary patch
delta 63
zcmeAX>J;KI=H=xQcy>8@BgY#?je7lz{M=OiqQu<9?4r!#jJ(9+{Jg~M#9aOG{G#mQ
Sg2d!h{p9?V)XnltZ`lC992WZk

delta 66
zcmeAa>Jj2F=H=zOk=Powk>d@cc9VWaer~FMVp2w?zDs^`X>Mv>NwI!<QEFvkNq(+=
VVor`iK~a8IYH~^OW*MfpYykEs7tH_w


From dad2ca2fa90c1072b356b167b6bb4712df24a734 Mon Sep 17 00:00:00 2001
From: ramakrishnasonakam <ramakrishnasonakam@gmail.com>
Date: Wed, 31 Oct 2018 15:33:14 +0000
Subject: [PATCH 3/4] Done

---
 .../__pycache__/__init__.cpython-36.pyc       | Bin 174 -> 171 bytes
 q03_t_test/__pycache__/build.cpython-36.pyc   | Bin 523 -> 709 bytes
 q03_t_test/build.py                           |  13 ++++++++++++-
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 180 -> 177 bytes
 .../test_q03_t_test.cpython-36.pyc            | Bin 2307 -> 2304 bytes
 5 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/q03_t_test/__pycache__/__init__.cpython-36.pyc b/q03_t_test/__pycache__/__init__.cpython-36.pyc
index cac7d291ce27aa37820fd1dcd256be95534d4e6d..3a136a79851a4c4c4eadb13395f8da4b4b1a4778 100644
GIT binary patch
delta 60
zcmZ3-xSEl}n3tDJ;MwKqi5%t{5&9YVxvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SG_ZXUP?q

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

diff --git a/q03_t_test/__pycache__/build.cpython-36.pyc b/q03_t_test/__pycache__/build.cpython-36.pyc
index d55dfcffc99b8ed252ef8a44fbaf9847ab10a066..7959b9e22acee81803350aa13c30febaffd09036 100644
GIT binary patch
literal 709
zcmYjPyN(kv6tz9?JhoxA(iVKcG?_))q6M@C4GIMykU<)G$Iiyd%y_V!tP&+vX!ir)
z5B6L50^Cy3Q&Dj}Y1X5A{5n4O_<AnK<H5zxU!R{4gnpw(Erjt)2=fVmBaUmdz!di*
zLW8~!X#_o~<0hdAMj}|GJUC#QiD)rc3`NGnbHpPa-xE6G2~WQvIu>J*9WVyPcPP*P
zfI6Dy*hO0_jNP7bW?3;;D<jHI%SyJllgg}J_FBJ@>sMMZ`4=OU6Ni}#jogX~rhW5{
zeOyDBD*y|Q4``1qSp++@gN)#YED2z6?&pA>!NYs<h3v^b*ulr6C7KcN7EkGDD&+0_
zM(MdyoF;E;{$Aa+IsoyUXrGKGo$4CF+S?!BeS3J3hb}g(>1shkzu_WdnKg81{RPWs
zeh)Z=&*<>TD|_0|mYyh$l@+L#YgVts1JVP?^6vwbq!EQ?4O?ny<}EX-WlPo+AC+F3
zj#Z+l6c>eTXF`kCN>=xB2CAqQqO!%;i_6lM-a~P-k~N=n8=Zmn2*RWQ2&ecApW=Qs
zKLK}@>^76$y-r}?#T{!oGmdoJMeVBTHjcC%ecDqRNMD;HeRAjPW{*eV&q6MRm*XY8
yr1q&?tU*aNF0STERzk<H*yru9`v`{p;pZT}s>PKryg30FfY%g{$N--PY5X7TLcaI_

literal 523
zcmYjO%}yIJ5VpNPNfWptaiYhDL$(zXhpOU7RN_*F13e(C(#qL!5{KQjvAsd5!iiq{
z03h)IywYBKLVW{HjQ7M?^J(n)|9r5$J@~)(#J^HP{*iaW&^|$RpAdimEy<E{+F6W8
zGFryK?kP_og7^>NDbPzYN?tIUOn&cx@FH92#>w1RRj7JCF5IfXE}cY(G3ptrJ4EnU
zeM2_bXO{rGW{A;lxFasvJ%RWy`^E0)9oyi6<eJPF_Dd&xYa-QrG1YdVHSpd=2|x91
z%|D#mA8K`Kr5Lf63f?o?R8rLQ$A=)#$D^oCoEP5lq4(1H{EHKn;c*B;AA?yt^m&L-
z&Z`0o<SS7&@|oBa2Y$W6^(vW(=|W}Sb<tF^_AZ-SxfWhmnJCMT#_FXk@Kx0_Y0<Al
z*;RB%O6SUMJ|E;h5B;-gqe>W?wN0@6Fc1?MB6Od2FQXnGx<Z-txSQGr3ft6(8iZ?^
mfwqskLXIrkkk{pOlfHvq$mxHpG&H3=3SaEPE(6+UgY*ru=ZXmc

diff --git a/q03_t_test/build.py b/q03_t_test/build.py
index f966b62..1bf6561 100644
--- a/q03_t_test/build.py
+++ b/q03_t_test/build.py
@@ -1,9 +1,20 @@
+# %load q03_t_test/build.py
 # Default imports
 import scipy.stats as stats
 import pandas as pd
+import numpy as np
+from statsmodels.stats.weightstats import ztest
 
 df = pd.read_csv('data/house_pricing.csv')
-
+sample = np.random.choice(a = df['GrLivArea'], size = 500)
 
 # Enter Code Here
+def t_statistic(df):
+    sample_mean = sample.mean()
+    t_statistic, p_value = stats.ttest_1samp(a = df[df['Neighborhood'] == 'OldTown']['GrLivArea'],
+    popmean = df['GrLivArea'].mean())
+    return p_value, p_value < 0.05
+
+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..40d0c981e32480e0f3d4301e6d2d327d10e77b9c 100644
GIT binary patch
delta 60
zcmdnOxRH^=n3tDJ;MwKqi5%t{arzngxvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SKSkYn2tS

delta 63
zcmdnUxP_6!n3tF9Mq+E!L=JQ9ME#8X+*JL<q>M~`m;B_?+|<01V*T`@)XKz?{9OIS
SoE(LMqWrAX<dWiv>0SVyt`>p-

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..e6a355033654615fec5c02d98085ccf18c2888a8 100644
GIT binary patch
delta 63
zcmZn`Y7pWu=H=xQcy>8@BgbV%ja2=N{M=OiqQu<9?4r!#jJ(9+{Jg~M#9aOG{G#mQ
Sg2d!h{p9?V)Xi*6f7t-BIu@+}

delta 66
zcmZn=Y8K)!=H=zOk=Powk>fI>c7}dNer~FMVp2w?zDs^`X>Mv>NwI!<QEFvkNq(+=
VVor`iK~a8IYH~^OW@e_pYyjtX7k>Z%


From 471aaf8a0447d6dd6d4f504596626f619c6b2ca7 Mon Sep 17 00:00:00 2001
From: ramakrishnasonakam <ramakrishnasonakam@gmail.com>
Date: Wed, 31 Oct 2018 15:59:30 +0000
Subject: [PATCH 4/4] Done

---
 .../__pycache__/__init__.cpython-36.pyc       | Bin 177 -> 174 bytes
 .../__pycache__/build.cpython-36.pyc          | Bin 604 -> 617 bytes
 q04_chi2_test/build.py                        |   7 +++++++
 .../tests/__pycache__/__init__.cpython-36.pyc | Bin 183 -> 180 bytes
 .../test_q04_chi2_test.cpython-36.pyc         | Bin 1938 -> 1935 bytes
 5 files changed, 7 insertions(+)

diff --git a/q04_chi2_test/__pycache__/__init__.cpython-36.pyc b/q04_chi2_test/__pycache__/__init__.cpython-36.pyc
index 07afcf050f12f3301d4c6770275250f5d539aa29..3f64bf2861b111b1a4fa40d99ded4258f39d8938 100644
GIT binary patch
delta 60
zcmdnUxQ>y-n3tDJ;MwKqi5%t{(fS$rxvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SLd_X|ENe

delta 63
zcmZ3-xRH^=n3tF9(7ooUi5%wIarzngxvBbzNg0{?F8Rr&xv6<2#ro+*sg;Q(`MLUu
SIXMaiMfq8&$tA@T)7=5Ff)?8V

diff --git a/q04_chi2_test/__pycache__/build.cpython-36.pyc b/q04_chi2_test/__pycache__/build.cpython-36.pyc
index 699bd6ac19c2845f16b2ff9f235a37aaeb9035d3..a573c2fddc80996c55439aa92a62d0318a0906fd 100644
GIT binary patch
delta 147
zcmcb^@{&c_n3tDp>xG-qYZw_A9y1^TCLr4Zh>Hy-Dyws(vZb;%GcqzP^kNj^Do)Hv
zjV~z5OiqpBNGnP$jGr9FsHPF2pOK%Ns$Z0to0wgcS)7rVSe&1in4OrbAD&;7U0jfu
koT{IkpOQLxIioEj*W{;+8G_6p^ErS77b6D~7Yhd~0PY?p9smFU

delta 133
zcmaFKa)(9Pn3tDJKw)lF0V4y$V+JI^1Y|n^ak0ikW%Y$Yj6AFbMVZN|QS50&sfCkM
z7}d0+^)vEwQ}q**GBWjD@{>z*Q}arS_0x+|D-%odbM+H*auf=R^0QKtONu9NVzg!C
Wnf!q<gCAsWF&mKJV&q`rVg~?I@*#Hs

diff --git a/q04_chi2_test/build.py b/q04_chi2_test/build.py
index 4f20455..61e749c 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 +7,11 @@
 
 
 # Enter Code Here
+def chi_square(df):
+    sale_price = pd.qcut(df['SalePrice'], 3, labels = ['High', 'Medium', 'Low'])
+    freq_tab = pd.crosstab(df['LandSlope'],sale_price)
+    chi2, pval, dof, expected = stats.chi2_contingency(freq_tab)
+    return pval, pval < 0.05
+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..3b0be92c429e94ab98efe356d410b2fb390e3bab 100644
GIT binary patch
delta 60
zcmdnaxP_6!n3tDJ;MwKqi5%t{iTWA&xvBa^iMff{MVZAJd5OjOd5PJHx%%PxMcKs#
PiOH$@$@wX%6SI5)ZF?2G

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

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..8c4b634960e35c9dc17552f2a23eb4a74202d437 100644
GIT binary patch
delta 63
zcmbQl-_Ors%*)Fq@a%H*Mvh~Q8rk|8`MIh3MTxnI*+rSf8F`7t`FV-iiMjgW`9;~q
T1&PV2`pNkzshfW?&SV7uxULsV

delta 66
zcmeC@pTy5$%*)GlBe6AVBgZjD?L7UA{M=Oi#H5T&eV6>?(%jU%l4AYzqSVU7lKfo#
W#GD+3f};Ga)Z~)l&EFVjvH}3_9vB?}