Monday, May 23, 2011

Day 6

Information:
87% of internet users 12-17
82% of internet users 18-24
Average % of internet users 12-24 is 84.5

84.5/100= 61525080/x
x= 72810745.56  incorrect assumption, trying to fix it now.

Tests: 2 proportion z-test
Confidence interval: unsure?
95% confidence- two-tail, so 2.5% on each side
z-score of conf interval: 1.96 and -1.96
mean and std dev: done later after data collected

Sources: Statistics textbook
              US Internet Users by Age Group probably not using this
              Facebook Stats

At this point, I just need my data done, and I'll have everything I need to get finished.
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1 comment:

  1. ChristiansenJune 8, 2011 at 4:22 AM

    Seeing my warning that data collection would be the hardest part? There's almost too much data out there on the internet.

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