heervation 1.6 points)There are 1500 homes in a city.Those homes can be divided

Question

heervation 1.6 points)There are 1500 homes in a city.Those homes can be divided into 3 categories: Privately owned homes Homes rented from council Homes rented from private landlords 600 400 You have given The 500 vately owned homes, 40 homes rented from council, and 50 homes rented from private landlords to make up your city the same chance to be chosen. (1)what is that chance? (2)Why is your sample not an SRS? is to carry out a survey into the quality of homes. You choose 60 pri- sample.You have given every home in this

Explanation / Answer

This is a stratified random sampling.

Stratified random sampling is a method of sampling that involves the division of a population into smaller groups known as strata. In stratified random sampling, the strata are formed based on members' shared attributes or characteristics. A random sample from each stratum is taken in a number proportional to the stratum's size when compared to the population. These subsets of the strata are then pooled to form a random sample.

Here,

The proportion is 10%

i.e. 10% of population size for each of the 3 categories will be taken as stratum size.

ans)

(1) chance is 10%

(2) Simple random samples involve the random selection of data from the entire population so that each possible sample is equally likely to occur. In contrast, here the sampling technique divides the population into smaller groups, or strata, based on shared characteristics.

The sample here is taken from each stratum in direct proportion to the size of the stratum compared to the population. The sample subsets are then combined to create a random sample.

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