A test of the effectiveness of a new curriculum could begin by dividing an area by school district, then choosing a school or set number of schools at random and collecting data about all students in each. Identify which type of sampling is used and why.

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Q: Consider the following data. 12,14,1,7,6,212,14,1,7,6,2 Copy Data Step 1 of 3 : Determine the…

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Q: average duration of about 10 years. Results indicated that women receiving aspirin and those…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…