It is the stratified random sampling technique that was used by the school administrator.
Sampling methods are defined as how we choose members for study purposes from the population.When a person is not randomly selected which maybe it be biased somehow, the data may not be representative of the population. Stratified random sample, In this sampling, the population chosen is split first into groups ., the overall sample consists of some members from every group, and those members are chosen randomly from every group, this sampling guarantees that members from each group will be represented in the sample.
To know more about sampling methods refer to the link brainly.com/question/12902833?referrer=searchResults.
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Question
Alberto is in charge of making lunch at summer camp. He knows that 3 tuna casseroles will serve 15 campers. How many tuna casseroles will he have to make to serve 35 campers?
Answer:
<h2>
7</h2>
Step-by-step explanation:
you can solve in this way
3 : 15 = x : 35
x = 3 * 35 : 15
x = 7
So there's 8 pieces of pizza in each box for 7 boxes 7*8=56 so 56 people get a slice of pizza.
Step-by-step explanation:
1/ 6y`² = 1/6 × 1/y`²
= 1/6 × y²
= y²/6
Answer:
Line AB
Step-by-step explanation:
The line is on crosses thru the exact points so its right.