Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | Q11 | Q12 | Q13 | Q14 | Q15 | Q16 | Q17 | Q18 | Q19 | Q20 | Q21 | Q22 | Q23 | Q24 | Q25 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
6 | 15 | 564 | 6 | 12 | 59 | 683 | 45 | 106 | 19 | 645 | 25 | 25 | 30 | 29 | 613 | 188 | 25 | 666 | 46 | 44 | 48 | 659 | 63 | 38 |
8 | 17 | 64 | 9 | 640 | 69 | 24 | 39 | 399 | 646 | 33 | 235 | 634 | 35 | 107 | 52 | 38 | 631 | 24 | 61 | 578 | 99 | 32 | 44 | 584 |
724 | 47 | 32 | 711 | 75 | 161 | 26 | 74 | 223 | 55 | 44 | 452 | 53 | 42 | 504 | 51 | 53 | 60 | 38 | 598 | 44 | 69 | 35 | 601 | 84 |
4 | 663 | 82 | 16 | 15 | 453 | 9 | 584 | 14 | 22 | 20 | 30 | 30 | 635 | 102 | 26 | 463 | 26 | 14 | 37 | 76 | 526 | 16 | 34 | 36 |
Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | Q11 | Q12 | Q13 | Q14 | Q15 | Q16 | Q17 | Q18 | Q19 | Q20 | Q21 | Q22 | Q23 | Q24 | Q25 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 76 | 1 | 2 | 8 | 92 | 6 | 14 | 3 | 87 | 3 | 3 | 4 | 4 | 83 | 25 | 3 | 90 | 6 | 6 | 6 | 89 | 8 | 5 |
1 | 2 | 9 | 1 | 86 | 9 | 3 | 5 | 54 | 87 | 4 | 32 | 85 | 5 | 14 | 7 | 5 | 85 | 3 | 8 | 78 | 13 | 4 | 6 | 79 |
98 | 6 | 4 | 96 | 10 | 22 | 4 | 10 | 30 | 7 | 6 | 61 | 7 | 6 | 68 | 7 | 7 | 8 | 5 | 81 | 6 | 9 | 5 | 81 | 11 |
1 | 89 | 11 | 2 | 2 | 61 | 1 | 79 | 2 | 3 | 3 | 4 | 4 | 86 | 14 | 4 | 62 | 4 | 2 | 5 | 10 | 71 | 2 | 5 | 5 |
막대그래프로 답안 분포를 시각적으로 살핀다. 차후 나오는 정답률과 함께 어느 문항에서 어느 답안을 많이 고르는지 파악하는 데 활용한다.
ggplot
Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | Q11 | Q12 | Q13 | Q14 | Q15 | Q16 | Q17 | Q18 | Q19 | Q20 | Q21 | Q22 | Q23 | Q24 | Q25 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
R | R | W | R | R | R | R | R | R | R | R | W | R | W | R | R | W | R | R | R | R | R | R | R | R |
R | R | W | R | R | R | R | R | W | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
R | R | R | R | R | W | R | R | W | R | R | W | R | R | R | R | W | R | R | R | W | R | R | R | R |
R | R | R | R | R | R | R | W | W | R | R | R | R | R | W | W | R | R | R | R | W | R | R | W | R |
R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
R | R | R | R | R | R | R | R | W | R | R | W | R | R | R | R | R | R | R | R | R | W | R | R | R |
84, 92, 80, 76, 100, 88, 88, 96, 84, 76, 88, 92, 88, 76, 92, 100, 40, 84, 80, 76, 100, 64, 92, 92, 84, 100, 72, 88, 76, 84, 84, 92, 84, 100, 80, 88, 88, 80, 92, 68, 36, 92, 36, 84, 80, 96, 96, 32, 84, 68, 100, 44, 80, 80, 96, 68, 96, 96, 92, 32, 72, 84, 80, 76, 84, 84, 88, 72, 84, 68, 92, 100, 92, 96, 92, 44, 80, 96, 96, 20, 64, 72, 28, 76, 92, 80, 76, 84, 96, 76, 68, 92, 84, 96, 76, 92, 100, 36, 72, 16, 92, 92, 84, 56, 88, 64, 96, 84, 32, 100, 20, 60, 64, 92, 92, 76, 96, 96, 88, 68, 88, 100, 96, 96, 64, 84, 84, 92, 96, 64, 24, 88, 100, 80, 88, 96, 80, 80, 76, 84, 100, 96, 84, 96, 56, 68, 88, 80, 80, 68, 92, 84, 48, 76, 24, 88, 96, 36, 96, 92, 96, 32, 84, 32, 88, 92, 96, 76, 80, 92, 60, 92, 72, 88, 40, 88, 80, 96, 40, 96, 92, 88, 88, 40, 84, 92, 88, 76, 68, 96, 84, 96, 92, 100, 92, 80, 84, 96, 100, 100, 80, 84, 84, 80, 88, 28, 88, 96, 96, 88, 84, 88, 72, 92, 92, 88, 92, 92, 68, 96, 96, 96, 88, 84, 96, 84, 92, 76, 56, 84, 92, 96, 84, 80, 100, 40, 96, 80, 92, 76, 92, 96, 92, 44, 96, 88, 76, 80, 80, 48, 84, 60, 88, 80, 92, 80, 92, 80, 88, 92, 24, 84, 84, 88, 84, 48, 36, 96, 92, 88, 56, 84, 80, 80, 56, 92, 88, 100, 28, 88, 96, 80, 84, 84, 88, 96, 96, 64, 72, 88, 92, 76, 88, 36, 76, 100, 88, 76, 96, 44, 88, 80, 92, 80, 44, 76, 88, 88, 96, 20, 84, 80, 100, 44, 100, 44, 76, 92, 92, 88, 96, 68, 96, 84, 76, 96, 68, 80, 80, 92, 40, 100, 88, 76, 44, 96, 84, 68, 80, 92, 84, 80, 92, 52, 80, 80, 76, 84, 68, 76, 24, 88, 72, 96, 96, 96, 36, 72, 92, 76, 96, 88, 92, 76, 80, 60, 72, 84, 48, 32, 60, 88, 88, 88, 88, 52, 84, 68, 76, 76, 76, 88, 40, 92, 96, 92, 84, 92, 92, 84, 36, 76, 32, 92, 92, 88, 96, 100, 80, 40, 68, 96, 84, 92, 92, 84, 88, 24, 88, 88, 84, 80, 72, 96, 88, 76, 88, 88, 88, 88, 88, 92, 76, 84, 48, 28, 88, 72, 76, 80, 100, 100, 92, 96, 92, 88, 96, 100, 88, 68, 80, 40, 92, 84, 56, 56, 100, 48, 84, 88, 52, 76, 92, 96, 76, 88, 96, 80, 84, 40, 92, 80, 76, 88, 44, 84, 92, 96, 44, 88, 88, 96, 84, 92, 84, 96, 96, 84, 28, 88, 88, 96, 100, 92, 72, 68, 80, 28, 92, 88, 96, 60, 88, 76, 28, 56, 48, 76, 84, 92, 36, 96, 88, 24, 88, 84, 96, 100, 88, 96, 88, 48, 56, 100, 84, 88, 96, 88, 84, 72, 88, 92, 96, 80, 80, 84, 100, 100, 92, 88, 96, 76, 100, 92, 92, 96, 84, 84, 48, 88, 92, 76, 96, 32, 92, 92, 92, 92, 52, 84, 92, 28, 92, 96, 84, 80, 88, 80, 20, 84, 72, 84, 96, 88, 36, 84, 80, 96, 28, 92, 88, 84, 44, 68, 84, 84, 92, 96, 92, 24, 92, 96, 92, 88, 96, 84, 92, 100, 76, 88, 96, 96, 92, 88, 36, 96, 72, 68, 92, 84, 92, 80, 68, 92, 80, 68, 84, 52, 44, 88, 24, 84, 52, 92, 92, 72, 92, 28, 92, 92, 48, 72, 96, 72, 84, 80, 96, 84, 80, 24, 80, 92, 32, 100, 36, 84, 100, 92, 36, 76, 88, 92, 96, 96, 68, 92, 80, 72, 88, 84, 80, 84, 84, 92, 96, 92, 84, 84, 48, 44, 92, 36, 92, 88, 72, 100, 80, 52, 72, 96, 84, 80, 96, 88, 84, 84, 24, 84, 52, 92, 92, 100, 88, 100, 88, 92, 80, 96, 96, 84, 36, 52, 32, 60, 72, 92, 100, 92, 92, 16, 36, 92, 36, 100, 92, 96, 84, 100, 92, 88, 88, 84, 36, 80, 100, 32, 84, 68, 88, 84, 84, 76, 100, 48, 96, 24, 56, 60, 48, 28, 72, 68, 96, 88, 44, 76, 96, 92, 96, 92, 84 and 92
Red:
Min. | 1st Qu. | Median | Mean | 3rd Qu. | Max. |
---|---|---|---|---|---|
20 | 76 | 88 | 80.4 | 92 | 100 |
Black:
Min. | 1st Qu. | Median | Mean | 3rd Qu. | Max. |
---|---|---|---|---|---|
16 | 76 | 84 | 77.9 | 92 | 100 |
##
## The decimal point is 1 digit(s) to the right of the |
##
## 2 | 0044444888888
## 3 | 22222666666
## 4 | 00004444448888888
## 5 | 2222666666
## 6 | 00044488888888888888
## 7 | 222222222222226666666666666666
## 8 | 00000000000000000000000000004444444444444444444444444444444444444444+49
## 9 | 22222222222222222222222222222222222222222222222222222222222226666666+32
## 10 | 0000000000000000000000000
##
## The decimal point is 1 digit(s) to the right of the |
##
## 1 | 66
## 2 | 0044444488888
## 3 | 222222666666666666
## 4 | 00000044444444888888
## 5 | 222226666
## 6 | 00000444488888888888
## 7 | 222222222226666666666666666666666666666666
## 8 | 00000000000000000000000000000000000444444444444444444444444444444444+50
## 9 | 22222222222222222222222222222222222222222222222222222222666666666666+23
## 10 | 000000000000000000
Red 와 Black으로부터 관찰된 점수들의 평균에 대하여 t test를 적용하였더니 기초통계량에서 살핀 것을 뒷받침해 주듯이 p-value 가 0.05보다 큰 값이 나왔습니다. 평균은 닮았다는 뜻입니다.
Test statistic | df | P value | Alternative hypothesis | mean in group Red | mean in group Black |
---|---|---|---|---|---|
1.759 | 738.8 | 0.079 | two.sided | 80.41 | 77.89 |
I | II | III | IV | 계 |
---|---|---|---|---|
17 | 77 | 84 | 564 | 742 |
I | II | III | IV | 계 |
---|---|---|---|---|
2.29 | 10.38 | 11.32 | 76.01 | 100 |
카이제곱 테스트로 Red와 Black에 들어간 등급별 인원수가 얼마나 닮았는지를 살펴보았지만 t-test와 마찬가지로 통계적으로 유의한 차이가 관찰되지 않았습니다.
I | II | III | IV | 계 | |
---|---|---|---|---|---|
Red | 7 | 34 | 44 | 282 | 367 |
Black | 10 | 43 | 40 | 282 | 375 |
계 | 17 | 77 | 84 | 564 | 742 |
Test statistic | df | P value |
---|---|---|
1.686 | 3 | 0.6401 |
유형 | 정답률(%) | |
---|---|---|
문1 | 사실적 | 97.6 |
문2 | 사실적 | 89.4 |
문3 | 비판적 | 76.0 |
문4 | 사실적 | 95.8 |
문5 | 추론적 | 86.3 |
문6 | 추론적 | 61.1 |
문7 | 추론적 | 92.0 |
문8 | 사실적 | 78.7 |
문9 | 추론적 | 30.1 |
문10 | 추론적 | 87.1 |
문11 | 사실적 | 86.9 |
문12 | 사실적 | 60.9 |
문13 | 사실적 | 85.4 |
문14 | 추론적 | 85.6 |
문15 | 사실적 | 67.9 |
문16 | 사실적 | 82.6 |
문17 | 추론적 | 62.4 |
문18 | 비판적 | 85.0 |
문19 | 사실적 | 89.8 |
문20 | 사실적 | 80.6 |
문21 | 사실적 | 77.9 |
문22 | 비판적 | 70.9 |
문23 | 추론적 | 88.8 |
문24 | 사실적 | 81.0 |
문25 | 추론적 | 78.7 |
문3 | 문6 | 문8 | 문9 | 문12 | 문15 | 문17 | 문21 | 문22 | 문25 | |
---|---|---|---|---|---|---|---|---|---|---|
정답률 | 76 | 61.1 | 78.7 | 30.1 | 60.9 | 67.9 | 62.4 | 77.9 | 70.9 | 78.7 |
문6 | 문9 | 문12 | 문15 | 문17 | |
---|---|---|---|---|---|
정답률 | 61.1 | 30.1 | 60.9 | 67.9 | 62.4 |
문9 | |
---|---|
정답률 | 30.1 |
문9 | |
---|---|
정답률 | 30.1 |