SweetStatsquestions.docx

, which reflects that the state of Minnesota cares a lot compared most states in the U.S. Calculate the infant Mortality rate for Hispanic.

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Step 1: Mortality rate = Number of deaths / deaths by the total population at risk x 1,000

Step 2: 10.8 / 4.47 x 1,000 = 24.2

Problem 13:

What is the crude birth rate for 2009?

Problem 15:

Disease +

Disease −

Total

Test +

TP

FP

TP + FP

(those who test positive)

Test −

FN

TN

FN + TN

(those who test negative)

Total

TP + FN

(those with disease)

FP + TN

(those w/out disease)

N

SEN= (TP) / (those with disease)[note: TP = (SEN)(TP + FN)]

= (TP) / (TP + FN)

SPEC = (TN) / (those without disease)[note: TN = (SPEC)(FP + TN)]

= (TN) / (TN + FP)

PVP= (TP) / (those who test positive)

= (TP) / (TP + FP)

PVN= (TN) / (those who test negative)

= (TN) / (TN + FN)

True prevalence = (TP + FN) / N[also known as prior probability]

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