Survey project

1. Survey & Statistical AnalysisBy: Rebekah Mickle, Eva Tram, & Richard Gutierrez

2. SurveyGender: ______Grade: ______Age: ____How many minutes do you spend studying for a test? ________How many classes are you failing? ______How many Advanced Placement/Honors classes are you taking? _______ Circle if you agree or disagreeIt is OK to copy homework from others. Agree or DisagreeIt is OK to test or listen to music during class time. Agree or DisagreeCircle the best choiceIt is better to (Study the day before the test OR Study many times throughout the week before the test)

3. Confidence Intervals28.59 ± (1.99)(31.70/(78^(.05)))We are 95% confident the true mean for minutes a student studies for a test at B.P.H.S is between 21.31 and 35.87 minutes.0.40 ± (1.99)(1.14/(78^(.05)))We are 95% confident the true mean for the number of classes students at B.P.H.S are failing is between .13 and .67.1.89 ± (1.99)(2.78/(79^(0.05)))We are 95% confident that the true mean for the number of Advanced Placement/ Honors classes students at B.P.H.S are taking is between 1.27 and 2.51.

4. Males Vs. Females Q4H0: μMales=μFemalesHa: μMales≠μFemalesAssumptions/Conditions:Random: Sample was randomly chosen.Independent: One students opinion is independent from another's.Conduct a 2 Sample t-testValues:d.f= 69

5. Male Sample average=28.9, Male Sample Standard Deviation=34.1, Male Sample size=36

6. Female Sample average= 27.5, Female Sample Standard Deviation=29.0, Female Sample size=44With a P-Vale of 0.846, we fail to reject the null hypothesis. The average number of minutes spent studying is equal for males and females.

7. Males Vs. Females Q5H0: μMales=μFemalesHa: μMales≠μFemalesAssumptions/Conditions:Random: Sample was randomly chosen.Independent: One students opinion is independent from another's.Conduct a 2 Sample t-testValues:d.f= 52.2

9. Female Sample average=0.326, Female Sample Standard Deviation=0.81, Female Sample size=44With a P-Vale of 0.600 we fail to reject the null hypothesis. The average classes a student is failing is equal for males and females.

10. Males vs. Females Q6H0: μMales=μFemalesHa: μMales≠μFemalesAssumptions/Conditions:Random: Sample was randomly chosen.Independent: One students opinion is independent from another's.Conduct a 2 Sample t-testValues:d.f=

12. Female Sample average=1.341, Female Sample Standard Deviation=1.256, Female Sample size=45With a P-Vale of 0.264 we fail to reject the null hypothesis. The average Advanced Placement/Honors classes for males is equal to that of the females.

13. Chi2:Q7H0:Opinions are independent from grade level.Ha: Opinions are not independent from grade level.Assumptions/Conditions:Random: Sample was randomly chosen.Independent: One students opinion is independent from another's.Conduct a Chi2 testΣ(Observed-Expected)2 d.f=(2 − 1)(2 − 1) = 1 Expected5.χ2=0.015, With a P-value as high as 0.901, we fail to reject that students feel it is not okay to copy homework regardless of grade level.

14. Chi2:Q8H0:Opinions are independent from grade level.Ha: Opinions are not independent from grade level.Assumptions/Conditions:Random: Sample was randomly chosen.Independent: One students opinion is independent from another's.Conduct a Chi2 testΣ(Observed-Expected)2d.f=(2 − 1)(2 − 1) = 1 Expected5. 5.χ2=0.000469, With a P-value as high as 0.945, we fail to reject that students feel it is not okay to listen to music during class time regardless of grade level.

15. Chi2:Q9H0:Opinions are independent from grade level.Ha: Opinions are not independent from grade level.Assumptions/Conditions:Random: Sample was randomly chosen.Independent: One students opinion is independent from another's.Conduct a Chi2 testΣ(Observed-Expected)2d.f=(2 − 1)(2 − 1) = 1Expected5. 5.χ2=0.173, With a P-value as high as 0.677, we fail to reject that students feel it is better to study for a test throughout the week before the test regardless of grade level.

Survey project

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