In this lesson, we will learn how to sample using different sampling methods such as simple random, systematic, and stratified sampling.
Students will be able to
Q1:
For a school project, three students need to produce a sample of students at their school. Which of the following methods leads to a random sample?
Q2:
Three different toys are stored in a warehouse. There are 15,000 toys in total and the number of each is shown in the table.
A stratified sample of all the toys is taken and 420 cars are selected. Calculate the total number of toys in the sample.
Q3:
A survey is done to find out the favorite movies of 500 school students. The students are categorized into males and females, and a sample of 50 students is chosen.
Which type of random sample is used for selecting a sample?
If the number of female students is 300, what is the sample size of each stratum?
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