The Department of Health is conducting random drug testing in a barangay in relation to their age. You are the
officer assigned to conduct the test in your own barangay. You only need 10 randomly selected students to be
tested. You are to give instructions to the school director on how you are going to select the 10 students by
applying your knowledge of the methods of sampling. To do the task well, you need to ensure that the sample
is selected randomly. From a sample of 10, you take a sample size of 2.
a. Identify the appropriate method of sampling in the given situation and explain how you are going to do it.
b. Create a probability distribution that includes the list of your possible samples.
c. Compute for the mean, variance and standard deviation of the sampling distribution means.
d. Construct a probability histogram of your sampling distribution.
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