SOC350H5 Study Guide - Sampling Distribution, New Zealand, Standard Deviation

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Published on 9 Jul 2012
School
UTM
Department
Sociology
Course
SOC350H5
Professor
CHAPTER 2
Proportion
Percentage
CHAPTER 3
Mean
CHAPTER 4
Standard deviation
CHAPTER 5
Zscores
CHAPTER 7
Confidence interval for a sample mean
Confidence interval for a sample proportion
CHAPTER 8
Means
Z 1obtained2Xm
s/1N1
c.i. PsZ BPu11Pu2
N
c.i. XZ as
1N1b
ZiXiX
s
sBg1XiX22
N
Xg1Xi2
N
%af
Nb100
pf
N
Proportions
CHAPTER 9
Means
Standard deviation of the sampling
distribution for sample means
Pooled estimate of population proportion
Standard deviation of the sampling
distribution for sample proportions
Proportions
CHAPTER 10
Total sum of squares
Sum of squares between
Sum of squares within
SSW SST SSB
Degrees of freedom for SSW
Degrees of freedom for SSB
dfb k1
dfw Nk
SSB aNk 1XkX22
SST aX2NX2
Z 1obtained21Ps1Ps22
spp
spp1Pu11Pu2 11N1N22/N1N2
PuN1Ps1N2Ps2
N1N2
sxxBs2
1
N11s2
2
N21
Z 1obtained21X1X22
sxx
Z 1obtained2PsPu
1Pu11Pu2/N
2S
1S
N
2
FREQUENTLY USED FORMULAS
99-W4499-EP-VD1.qxd 10/22/07 9:32 PM Page 2
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Document Summary

Standard deviation s b g1xi x2 2. X z a s1n 1b. Ps z b pu11 pu2. Z 1obtained2 1x1 x22 sx x. Standard deviation of the sampling distribution for sample means sx x b s 2. Standard deviation of the sampling distribution for sample proportions sp p 1pu11 pu2 11n1 n22/n1n2. Sst a x 2 nx 2. Ssb a nk 1xk x2 2. Degrees of freedom for ssw dfw n k. Degrees of freedom for ssb dfb k 1. Chi square x2 1obtained2 a 1 fo fe2 2 fe. 1n 21minimum of r 1, c 12. Spearman"s rho rs 1 6 g d 2. 23 1x x 2 243 1y y 2 24. Partial correlation coef cient ryx. z ryx 1ryz21rxz2 yz 21 r 2. Partial slope for x1 b1 a sy s1b a ry1 ry2r12. Partial slope for x2 b2 a sy s2b a ry2 ry1r12. Y intercept a y b1x1 b2x2. Beta-weight for x1 b*1 b1a s1 syb.

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