A recent poll of 960 Facebook users posed the following question: "Thinking just about your Facebook profile, how many friends do you currently have in your network?" The pie chart below represents their responses. The margin of error is 3.2% 1. What is the population represented here? 2. What is the sample? 3. Calculate the confidence interval for those who have 101-250 friends. 4. Interpret the confidence interval for this poll in a meaningful sentence for those who have 101 - 250 friends. Remember to include the margin of error provided is 95% certain. 5. Calculate the confidence interval for those who have 1 - 100 friends. 6. Interpret the confidence interval for this poll in a meaningful sentence for those who have 1 - 100 friends. Remember to include the margin of error provided is 95% certain.
A recent poll of 960 Facebook users posed the following question: "Thinking just about your Facebook profile, how many friends do you currently have in your network?" The pie chart below represents their responses. The margin of error is 3.2%
1. What is the population represented here?
2. What is the sample?
3. Calculate the confidence interval for those who have 101-250 friends.
4. Interpret the confidence interval for this poll in a meaningful sentence for those who have 101 - 250 friends. Remember to include the margin of error provided is 95% certain.
5. Calculate the confidence interval for those who have 1 - 100 friends.
6. Interpret the confidence interval for this poll in a meaningful sentence for those who have 1 - 100 friends. Remember to include the margin of error provided is 95% certain.
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