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Course: Statistics and probability?>?Unit 6
Lesson 2: Sampling and observational studies- Reasonable samples
- Valid claims
- Making inferences from random samples
- Identifying a sample and population
- Identify the population and sample
- Examples of bias in surveys
- Example of undercoverage introducing bias
- Correlation and causality
- Identifying bias in samples and surveys
- Simulation and randomness: Random digit tables
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Valid claims
Problem
Tasty Treats Baking Company asked a random sample of students in the senior class at Ridgemont High School the question, “Do you prefer chocolate or butterscotch Tasty Treats?” 365体育网投one surveyed had to pick one of the two answers, and said they preferred chocolate.
Based on this data, which of the following conclusions are valid?
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