For example: 4,5,6,1,5,6,8,9,5 Median means the middle so that means you order them 1,4,5,5,5,6,6,8,9 the median is 5 Range means the biggest take away from the smallest 9-1 The range is 8. Mean means add all the numbers together and divide by how many there are so 1+4+5+5+5+6+6+8+9=49 divided by 9 = 5.44
A household equivalence scale allows for transforming the income in an n-member household into an equivalent one-adult-member household. This is necessary for well-being comparisons across households with different number of members.