acebook

1. acebook Jacob NolanKayla Myers Tyler Grubb Collin Junk

2. Time Management • How much time do you spend on facebook? • We surveyed teachers and students from 9-12 and different genders.

3. Frequency Chart • O hrs. | 7 people • 1/12 hrs. | 2 people • 1/6 hrs. | 3 people • ¼ hrs. | 1 person • 1/3 hrs. | 6 people • ½ hrs. | 7 people • 1 hr. | 8 people • 2 hrs. | 2 people • 3 hrs. | 3 people • 4 hrs. | 0 people • 5 hrs. | 2 people • 6 hrs. | 1 person • 7 hrs. | 0 people • 8 hrs. | 1 person • 9 hrs. | 1 person Total # people surveyed: 44 people Mean: 1.37 hours

4. 90% Confidence Interval • E = 1.684 * 127.32 • sqrt(44) • E = 32.32/60 = .5387 hours • 1.37 - .5387 & 1.37 + .5387 • .8313 & 1.9087 • We can be 90% certain that the mean time spent on Facebook a day is between .8313 and 1.9087 hours.

5. 95% Confidence Interval • E = 2.021 * 127.32 • sqrt(44) • E = 38.79/60 = .6465 hours • 1.37 - .6465 & 1.37 + .6465 • .72 & 2.02 • We can be 95% certain that the mean time spent on Facebook a day is between .72 and 2.02 hours.

6. 98% Confidence Interval • E = 2.423 * 127.32 • sqrt(44) • E = 46.51/60 = .7752 hours • 1.37 - .7752 & 1.37 + .7752 • .5948 & 2.1452 • We can be 98% certain that the mean time spent on Facebook a day is between .5948 and 2.1452 hours.

7. 99% Confidence Interval • E = 2.704 * 127.32 • sqrt(44) • E = 51.90/60 = .865 hours • 1.37 - .865 & 1.37 + .865 • .505 & 2.235 • We can be 99% certain that the mean time spent on Facebook a day is between .505 and 2.235 hours.

8. Possible Sources of Error • Convenience Sample • Only went around during 3rd mod and some lunches. • Found students and teachers who were in the hallway during 3rd mod.

9. Conclusion • Do you think….. • the mean of all the data that we collected it normal? • The data we collected it somewhat correct?

10. Kayla Myers