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Mathematics, 08.10.2019 23:40 kelebsessoms89

1. what is the most important thing that must be true about a sample so that you can make a valid inference about the population?

2. why is it important to take a random sample of the population you want to study?

3. which measure of center is more affected by outliers in the data and why?

4. sam conducted a survey to find out the favorite weekend activity of the students his middle school. he asked 20 of his classmates. he found out that the favorite weekend activity of his middle school is playing video games because 75% of the students he surveyed liked to play video games.
explain why sam’s sample may not be valid. provide 2 or 3 sentences of explanation with facts to support your answer. how could sam improve his survey to be more representative of his school?

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