Problem 36 of 7
Explain why random samples support inference in a marketing survey of online users using a random selection tool.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
connect randomness to representativeness and bias reduction.
Hidden until you reveal it.
Connect randomness to representativeness and bias reduction.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify how units are selected.
2. Explain how random selection reduces systematic bias.
3. Connect sample result to population inference with uncertainty.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying random guarantees perfect accuracy.