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Are you going to a prom after party?

Are you going to a prom after party?. Christopher Santana Period #1 2012-2013. California Standards.

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Are you going to a prom after party?

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  1. Are you going to a prom after party? Christopher Santana Period #1 2012-2013

  2. California Standards • 8.0 Student organized and describe distribution of data by using of different methods, including frequency table, histogram, standard line and bar graphs, stem-and-leaf displays, scatter plots, and box of whisker plots. • 17.0 Students determine confidence interval for a simple random sample from a normal distribution of data and determine the sample size required for a desired margin of error. • 18.0 Student determine the P-value for a statistic for a simple random sample from a normal distribution

  3. Hypothesis • I believe that 85% of Century Juniors and Seniors will attend a prom after party

  4. Data Collection • Sampling technique used: stratified, I asked 25 juniors and 75 seniors. I asked during passing periods, lunch, and during class. • Possible bias: students lied if they were going or not.

  5. Data • Yes: 62 • No: 38

  6. Statics • From my survey, students sample proportion is 62/100, which equals to 62%

  7. Confidence Interval • 95% Confidence interval • 1-prop Z-Interval • 62% • From my survey, students sample proportion is 62/100, which equals to 62%

  8. Hypothesis testing

  9. Error analysis

  10. Conclusion

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