soc 210 formulas

sample mean

$chart?chf=bg,s,00000000&cht=tx&chl=%5Coverline%7BX%7D%20%3D%20%5Cfrac%7B%5Csum(Xi)%7D%7Bn%7D&chs=172x68$
population mean

$chart?chf=bg,s,00000000&cht=tx&chl=%5Cmu%20%3D%20%5Cfrac%7B%5Csum%7BXi%7D%7D%7BN%7D&chs=146x76$
rate

= (# actual)/(# possible) in a period of time
percent change
- refers to relative change
- %Δ = (v₂- v₁)/(v₁) x 100
percentages

$chart?chf=bg,s,00000000&cht=tx&chl=%25%20%3D%20%5Cfrac%7Bf%7D%7Bn%7D%20(100)&chs=168x66$
proportions

$chart?chf=bg,s,00000000&cht=tx&chl=p%20%3D%20%5Cfrac%7Bf%7D%7Bn%7D&chs=86x66$
ratios

ratio = $chart?chf=bg,s,00000000&cht=tx&chl=%5Cfrac%7Bf1%7D%7Bf2%7B&chs=38x82$
crude death rate

CDR = (# deaths)/(total population) x 1000 (or another multiple of ten)
Range

range = highest value - lowest value
variation ratio

= 1 - (mode/total population)
interquartile range

Q = Q₃ - Q₁
population variance

$chart?chf=bg,s,00000000&cht=tx&chl=%5Csigma%5E2%3D%5Cfrac%7B%5Csum%7B(Xi-%5Cmu)%5E2%7D%7D%7BN%7D&chs=232x80$
population standard deviation

$chart?chf=bg,s,00000000&cht=tx&chl=%5Csigma%3D%5Csqrt%7B%5Cfrac%7B%5Csum%7B(Xi-%5Cmu)%5E2%7D%7D%7BN%7D%7D&chs=260x98$
sample variance

$chart?chf=bg,s,00000000&cht=tx&chl=s%5E2%3D%5Cfrac%7B%5Csum%7B(Xi-%5Coverline%7BX%7D)%5E2%7D%7D%7Bn-1%7D&chs=242x84$
sample standard variation

$chart?chf=bg,s,00000000&cht=tx&chl=s%3D%5Csqrt%7B%5Cfrac%7B%5Csum%7B(Xi-%5Coverline%7BX%7D)%5E2%7D%7D%7Bn-1%7D&chs=272x102$
Z-score

$chart?chf=bg,s,00000000&cht=tx&chl=Z%3D%5Cfrac%7BXi-%5Cmu%7D%7B%5Csigma%7D&chs=164x66$

Author

hcunning

ID

334598

Card Set

soc 210 formulas

Description

forumlas for midterm 1

Updated

2017-09-27T17:48:33Z

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