Ap stats survey project

AP Stats Survey Project Kimberly Loya - Frank Quiroz - Giovanni Hernandez Period. 04 Mr. Eastvedt

Our non-demographic Survey Questions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Confidence Intervals for means (numerical questions) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Confidence intervals for proportions (opinion questions) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hypotheses tests: Our results VS. Larger study ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hypotheses tests: Our results VS. Larger study ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hypotheses tests: Our results VS. Larger study ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Links to larger studies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hypothesis test: comparing the means of affirmative responses for males vs. females ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Chi^2 test: Do grade levels have different opinions? ,[object Object],[object Object],[object Object],[object Object],Freshman Sophomores Juniors Seniors Freshman Sophomores Juniors Seniors Yes No Yes No Chi ²= 3.638 P= .3033 Because our p-value is so high, we do not reject the null hypothesis that liking Pokemon is independent of grade level. 8 18 13 50 5 6 7 15 7.033 18.967 17.041 45.959 2.98 8.025 5.95 16.049

Chi^2 test: Do grade levels have different opinions? ,[object Object],[object Object],[object Object],[object Object],Freshman Sophomores Juniors Seniors Freshman Sophomores Juniors Seniors Yes No Yes No Chi ²= 2.303 P= .5119 Because our p-value is so high, we do not reject the null hypothesis and conclude that watching TV is independent of grade level. 1 25 5 58 1 10 0 22 1.492 24.508 3.615 59.385 .631 10.369 0 20.738

Chi^2 test: Do grade levels have different opinions? ,[object Object],[object Object],[object Object],[object Object],Freshman Sophomores Juniors Seniors Freshman Sophomores Juniors Seniors Yes No Yes No Chi ²=.652 P= .88451 Because we have such a high p-value, we do not reject the null hypothesis and conclude that owning a laptop is independent of grade level. 13 13 26 37 5 6 9 13 11.295 14.705 27.369 35.631 4.779 6.221 9.557 12.443

Chi^2 test: Do grade levels have different opinions? ,[object Object],[object Object],[object Object],[object Object],Freshman Sophomores Juniors Seniors Freshman Sophomores Juniors Seniors Yes No Yes No Chi ²= 6.224 P= .101 Because of our high p-value, we do not reject that the thought that teachers should assign homework is independent of grade level. 16 10 28 35 8 3 15 7 14.279 11.721 34.598 28.402 6.041 4.959 12.082 9.918

Chi^2 test: Do grade levels have different opinions? ,[object Object],[object Object],[object Object],[object Object],Freshman Sophomores Juniors Seniors Freshman Sophomores Juniors Seniors Yes No Yes No Chi ²= .3731 P= .946 Because of the high p-value, we do not reject the null hypothesis that owning a smartphone is independent of grade level. All grade levels DO have different opinions. 18 8 42 21 8 3 16 6 17.902 8.098 43.377 19.623 7.574 3.426 15.148 6.852

Ap stats survey project

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