Design Effect (Kish)

Problem

Return Kish's design effect 1 + (m - 1)*icc for clusters of size m. Return 0.0 when m <= 0.

Hint

The design effect inflates the variance of a cluster sample relative to simple random sampling.

case 1

in: [10,0.05]

expected: 1.45

case 2

in: [1,0.5]

expected: 1

case 3

in: [20,0]

expected: 1

case 4

in: [0,0.1]

expected: 0

case 5

in: [5,0.2]

expected: 1.8

Starter codePython

def design_effect(cluster_size, icc):
    # Your code here
    pass

5 test cases · run your code against them in the editor