You see a woman standing in front of school, now and then stopping students to ask them questions. She says she is collecting student opinions for the newspaper. This is an example of: A. A convenience sample B. A self-selected sample C. A systematic sample D. A random sample

The answer to your question is A. A convenience sample because this sampling type is people being chosen from the population of her school. We can also rule out the other options because of the following reasoning:

[✓] A. A convenience sample

-> This is the correct option. She is asking students at her school that are nearby.

[✗] B. A self-selected sample

-> This type is more like a poll, people volunteer for a self-selected sample, while here they are being asked

[✗] C. A systematic sample

-> Every so often she is asking students questions, she does not have a set number of how often or of the population (that we know of)

[✗] D. A random sample

-> This option could be correct, but since the students being chosen are nearby we can decide the best option is option a.

Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

You see a woman standing in front of school, now and then stopping students to ask them questions. She says she is collecting student opinions for the newspaper. This is an example of: A. A convenience sample B. A self-selected sample C. A systematic sample D. A random sample​

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You see a woman standing in front of school, now and then stopping students to ask them questions. She says she is collecting student opinions for the newspaper. This is an example of: A. A convenience sample B. A self-selected sample C. A systematic sample D. A random sample