Previous Year Questions
2025
EDUCATION — HONOURS
Paper : DSCC-12
(Statistics in Education)
Full Marks : 75
Bengali Version
ā§§। āϝে-āĻোāύো āϤিāύāĻি āĻĒ্āϰāĻļ্āύেāϰ āĻāϤ্āϤāϰ āĻĻাāĻ :
(āĻ) (āĻ
) āĻেāύ্āĻĻ্āϰীāϝ় āĻĒ্āϰāĻŦāĻŖāϤাāϰ āĻĒāϰিāĻŽাāĻĒāĻুāϞি āĻী āĻী?
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āĻŦāĻŖ্āĻāύāĻিāϰ āĻāĻĄ় āĻ āĻāĻĻāϰ্āĻļāĻŦিāĻ্āϝুāϤি āύিāϰ্āĻŖāϝ় āĻāϰো :
(āĻ) āĻĒ্āϰāϤ্āϝেāĻ āϏ্āĻোāϰেāϰ āϏাāĻĨে 5 āϝোāĻ āĻāϰāϞে, āĻāĻĄ় āĻ āĻāĻĻāϰ্āĻļ āĻŦিāĻ্āϝুāϤিāϰ āĻŽাāύ āĻী āĻšāĻŦে? ā§Š+(⧍+ā§Ē)+ā§§
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āĻŦāĻŖ্āĻāύāĻিāϰ āĻāĻĄ় āĻ āĻāĻĻāϰ্āĻļāĻŦিāĻ্āϝুāϤি āύিāϰ্āĻŖāϝ় āĻāϰো :
| Scores | 10-19 | 20-29 | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 |
| f | 2 | 4 | 12 | 10 | 6 | 4 | 2 |
(āĻ) (āĻ
) āύিāĻŽ্āύāϞিāĻিāϤ āĻŦāĻŖ্āĻāύāĻিāϰ āĻāĻāĻি āĻāĻাāĻāĻ āĻঁāĻো :
(āĻ) āĻāĻাāĻāĻ āĻĨেāĻে P25 āĻ 72-āĻāϰ PR-āĻāϰ āĻŽাāύ āύিāϰ্āĻŖāϝ় āĻāϰো।ā§Ģ+(⧍½+⧍½)
| Scores | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 |
| f | 1 | 2 | 4 | 5 | 8 | 12 | 9 | 5 | 3 | 1 |
(āĻেāĻŦāϞāĻŽাāϤ্āϰ āĻŦ্āϝাāĻšāϤāĻĻৃāώ্āĻিāϏāĻŽ্āĻĒāύ্āύ āĻļিāĻ্āώাāϰ্āĻĨীāĻĻেāϰ āĻāύ্āϝ)
(āĻ) (āĻ
) āĻļāϤাংāĻļ āĻŦিāύ্āĻĻু āĻ āĻļāϤাংāĻļ āϏাāϰিāϰ āĻĒাāϰ্āĻĨāĻ্āϝ āϞেāĻো।
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āĻĒāϰিāϏংāĻ্āϝা āĻŦিāĻাāĻāύ āĻĨেāĻে P25 āĻāĻŦং 72-āĻāϰ PR-āĻāϰ āĻŽাāύ āύিāϰ্āĻŖā§ āĻāϰো :ā§Ē+ā§Š+ā§Š
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āĻĒāϰিāϏংāĻ্āϝা āĻŦিāĻাāĻāύ āĻĨেāĻে P25 āĻāĻŦং 72-āĻāϰ PR-āĻāϰ āĻŽাāύ āύিāϰ্āĻŖā§ āĻāϰো :ā§Ē+ā§Š+ā§Š
| Scores | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 |
| f | 1 | 2 | 4 | 5 | 8 | 12 | 9 | 5 | 3 | 1 |
(āĻ) (āĻ
) āϏ্āĻিāĻāύেāϏ āĻŦāϞāϤে āĻী āĻŦোāĻো? āĻŦিāĻিāύ্āύ āĻĒ্āϰāĻাāϰেāϰ āϏ্āĻিāĻāύেāϏ āĻāĻĒāϝুāĻ্āϤ āĻিāϤ্āϰāϏāĻš āĻāϞোāĻāύা āĻāϰো।
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āĻŦāĻŖ্āĻāύāĻিāϰ āϏ্āĻিāĻāύেāϏ āύিāϰ্āĻŖāϝ় āĻāϰো :
ā§§+ā§Ē+ā§Ģ
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āĻŦāĻŖ্āĻāύāĻিāϰ āϏ্āĻিāĻāύেāϏ āύিāϰ্āĻŖāϝ় āĻāϰো :
| Scores | 15-17 | 18-20 | 21-23 | 24-26 | 27-29 | 30-32 | 33-35 | 36-38 | 39-41 |
| f | 2 | 1 | 2 | 5 | 9 | 7 | 18 | 3 | 3 |
(āĻ) (āĻ
) āϏāĻšāĻāϤি āĻী? āϏāĻšāĻāϤিāϰ āĻĒ্āϰāĻাāϰāĻেāĻĻāĻুāϞি āĻী āĻী?
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āϏ্āĻোāϰেāϰ Product Moment āĻĒāĻĻ্āϧāϤিāϰ āϏাāĻšাāϝ্āϝে āϏāĻšāĻāϤি āϏāĻšāĻাāĻ্āĻেāϰ āĻŽাāύ āύিāϰ্āĻŖāϝ় āĻāϰো āĻ āĻĢāϞাāĻĢāϞ āĻŦ্āϝাāĻ্āϝা āĻāϰো :
ā§§+ā§Š+ā§Ģ+ā§§
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āϏ্āĻোāϰেāϰ Product Moment āĻĒāĻĻ্āϧāϤিāϰ āϏাāĻšাāϝ্āϝে āϏāĻšāĻāϤি āϏāĻšāĻাāĻ্āĻেāϰ āĻŽাāύ āύিāϰ্āĻŖāϝ় āĻāϰো āĻ āĻĢāϞাāĻĢāϞ āĻŦ্āϝাāĻ্āϝা āĻāϰো :
| A | B | C | D | E | F | G | H | I | J | K | L | |
| X | 24 | 20 | 18 | 17 | 15 | 12 | 10 | 8 | 6 | 5 | 4 | 2 |
| Y | 13 | 9 | 12 | 20 | 11 | 16 | 5 | 2 | 7 | 6 | 3 | 1 |
⧍। āϝে-āĻোāύো āĻĒাঁāĻāĻি āĻĒ্āϰāĻļ্āύেāϰ āĻāϤ্āϤāϰ āĻĻাāĻ :
ā§Ģ × ā§Ģ
(āĻ) āĻļিāĻ্āώাāĻ্āώেāϤ্āϰে āϰাāĻļিāĻŦিāĻ্āĻাāύেāϰ āĻĒাঁāĻāĻি āĻŦ্āϝāĻŦāĻšাāϰ āĻāϞ্āϞেāĻ āĻāϰো।
(āĻ) āĻšিāϏ্āĻোāĻ্āϰাāĻŽ āĻী? āύিāĻŽ্āύāϞিāĻিāϤ āĻŦāĻŖ্āĻāύāĻিāϰ āĻāĻāĻি āĻšিāϏ্āĻোāĻ্āϰাāĻŽ āĻঁāĻো।
ā§§+ā§Ē
| Scores | 20-29 | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 | 80-89 | 90-99 |
| f | 1 | 5 | 2 | 10 | 9 | 7 | 0 | 6 |
(āĻেāĻŦāϞāĻŽাāϤ্āϰ āĻŦ্āϝাāĻšāϤāĻĻৃāώ্āĻিāϏāĻŽ্āĻĒāύ্āύ āĻļিāĻ্āώাāϰ্āĻĨীāĻĻেāϰ āĻāύ্āϝ)
(āĻ) āĻĒāϰিāĻŦāϰ্āϤিāϤ āϏ্āĻোāϰ āĻŦāϞāϤে āĻী āĻŦোāĻো? Z Score-āĻāϰ āĻŦ্āϝāĻŦāĻšাāϰ āϞেāĻো। ⧍+ā§Š
(āĻ) āϏ্āĻŦাāĻাāĻŦিāĻ āĻŦāĻŖ্āĻāύেāϰ āϞেāĻāĻিāϤ্āϰেāϰ āĻŦৈāĻļিāώ্āĻ্āϝāĻুāϞি āĻāĻĒāϝুāĻ্āϤ āĻিāϤ্āϰ āϏāĻšāĻাāϰে āĻŦ্āϝাāĻ্āϝা āĻāϰো।
(āĻ) āĻŦিāώāĻŽāϤাāϰ āĻĒāϰিāĻŽাāĻĒ āĻŦāϞāϤে āĻী āĻŦোāĻো? āĻāĻĻāϰ্āĻļāĻŦিāĻ্āϝুāϤিāϰ āĻŦৈāĻļিāώ্āĻ্āϝ āĻ āĻŦ্āϝāĻŦāĻšাāϰ āϞেāĻো। ā§§+(⧍+⧍)
(āĻ) āĻāĻāĻি āĻাāϤ্āϰেāϰ āĻ
āĻ্āĻেāϰ āϏ্āĻোāϰ = 55 āϝেāĻাāύে āĻ্āϞাāϏেāϰ āĻāĻĄ় = 60 āĻ SD = 10। āϏেāĻ āĻাāϤ্āϰেāϰ āĻংāϰেāĻি āĻĒāϰীāĻ্āώাāϰ āϏ্āĻোāϰ = 28, āϝেāĻাāύে āĻ্āϞাāϏেāϰ āĻāĻĄ়=26 āĻ SD = 4। T āϏ্āĻোāϰ āύিāϰ্āĻŖāϝ় āĻāϰে āĻাāϤ্āϰāĻিāϰ āĻāĻ āĻĻুāĻি āĻŦিāώāϝ়েāϰ āĻĒাāϰāĻĻāϰ্āĻļিāϤাāϰ āϤুāϞāύা āĻāϰো।
(āĻ) āϏাāϰি āĻĒাāϰ্āĻĨāĻ্āϝ (Rank Difference) āĻĒāĻĻ্āϧāϤি āĻ
āĻŦāϞāĻŽ্āĻŦāύ āĻāϰে āϏāĻšāĻāϤি āϏāĻšāĻাāĻ্āĻেāϰ āĻŽাāύ āύিāϰ্āĻŖāϝ় āĻāϰো।
| A | B | C | D | E | F | G | H | I | J | |
| X | 48 | 33 | 40 | 9 | 16 | 65 | 16 | 24 | 16 | 57 |
| Y | 13 | 13 | 24 | 6 | 15 | 20 | 4 | 9 | 6 | 19 |
ā§Š। āύিāĻŽ্āύāϞিāĻিāϤ āĻĒ্āϰāĻļ্āύāĻুāϞিāϰ āĻāϤ্āϤāϰ āĻĻাāĻ :
⧍ × ā§§ā§Ļ
(āĻ) āĻāĻĻাāĻšāϰāĻŖ āĻĨেāĻে āĻāϞেāϰ āĻĒ্āϰāĻাāϰ (āĻŦিāĻ্āĻিāύ্āύ/āĻ
āĻŦিāĻ্āĻিāύ্āύ) āύিāϰ্āĻŖāϝ় āĻāϰো :
(āĻ ) āĻāĻāĻāύ āĻাāϤ্āϰেāϰ āĻāϞেāĻে āĻāĻĒāϏ্āĻĨিāϤিāϰ āĻĻিāύেāϰ āϏংāĻ্āϝা।
(āĻ) āĻাāϤ্āϰেāϰ āĻāĻ্āĻāϤা।
(āĻ ) āĻāĻāĻāύ āĻাāϤ্āϰেāϰ āĻāϞেāĻে āĻāĻĒāϏ্āĻĨিāϤিāϰ āĻĻিāύেāϰ āϏংāĻ্āϝা।
(āĻ) āĻাāϤ্āϰেāϰ āĻāĻ্āĻāϤা।
(āĻ) āĻĒāϰিāϏংāĻ্āϝা āĻŦিāĻাāĻāύেāϰ āĻĻুāĻি āĻŦ্āϝāĻŦāĻšাāϰ āϞেāĻো।
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āϏ্āĻোāϰāĻুāϞিāϰ āĻŽāϧ্āϝāĻŽা āĻ āĻূāϝ়িāώ্āĻ āĻ āύিāϰ্āĻŖāϝ় āĻāϰো :
6, 10, 7, 4, 6, 7, 9, 6
6, 10, 7, 4, 6, 7, 9, 6
(āĻ) āĻāĻāĻি āĻŦāĻŖ্āĻāύেāϰ āĻāĻĄ় āĻ āĻŽāϧ্āϝāĻŽা āϝāĻĨাāĻ্āϰāĻŽে 26.8 āĻ 27.9। āĻŦāĻŖ্āĻāύāĻিāϰ āĻূāϝ়িāώ্āĻ āĻ āύিāϰ্āĻŖāϝ় āĻāϰো। āĻāĻ āĻŦāĻŖ্āĻāύেāϰ āĻāĻৃāϤি āϏāĻŽ্āĻĒāϰ্āĻে āĻŽāύ্āϤāĻŦ্āϝ āĻāϰো।
(āĻ) āĻāĻāĻি āĻļ্āϰেāĻŖিāϰ āĻŽāϧ্āϝāĻŽাāύ āϝāĻĻি 42 āĻšāϝ়, i = 5, āϤাāĻšāϞে āĻļ্āϰেāĻŖিāϏীāĻŽাāύা (Class boundary) āĻী āĻšāĻŦে?
(āĻ) 12, 15, 24, 20, 11, 8 āϏ্āĻোāϰāĻুāϞিāϰ āĻāĻĻāϰ্āĻļāĻŦিāĻ্āϝুāϤি āύিāϰ্āĻŖāϝ় āĻāϰো।
(āĻ) āĻļিāĻ্āώাāĻ্āώেāϤ্āϰে āϏ্āĻŦাāĻাāĻŦিāĻ āĻŦāĻŖ্āĻāύেāϰ āϝে-āĻোāύো āĻĻুāĻি āĻŦ্āϝāĻŦāĻšাāϰ āĻāϞ্āϞেāĻ āĻāϰো।
(āĻ) āĻĻুāĻি āĻŦāĻŖ্āĻāύেāϰ āĻাāϰ্āĻোāϏিāϏ-āĻāϰ āĻŽাāύ āĻĨেāĻে āϤাāϰ āĻĒ্āϰāĻাāϰ āύিāϰ্āĻŖāϝ় āĻāϰো :
(āĻ ) Ku = 0.375
(āĻ) Ku = 0.102
(āĻ ) Ku = 0.375
(āĻ) Ku = 0.102
(āĻ) āĻāĻāĻি āĻŦāĻŖ্āĻāύেāϰ Q1 = 25 āĻāĻŦং Q3 = 45। āĻŦāĻŖ্āĻāύāĻিāϰ āĻāϤুāϰ্āĻĨ্āϝাংāĻļ āĻŦিāĻ্āϝুāϤি āύিāϰ্āĻŖāϝ় āĻāϰো।
(āĻ) āύিāĻŽ্āύāϞিāĻিāϤ āĻĒāϰিāϏ্āĻĨিāϤিāϤে āĻী āϧāϰāύেāϰ āϏāĻšāĻāϤি āĻšāϤে āĻĒাāϰে?
(āĻ ) āĻāĻāύ āĻ āĻŦৃāĻĻ্āϧি
(āĻ) āĻ āĻ্āĻে āĻ āύুāĻļীāϞāύেāϰ āĻĒāϰিāĻŽাāĻŖ āĻ āĻ āĻ্āĻেāϰ āύāĻŽ্āĻŦāϰ।
(āĻ ) āĻāĻāύ āĻ āĻŦৃāĻĻ্āϧি
(āĻ) āĻ āĻ্āĻে āĻ āύুāĻļীāϞāύেāϰ āĻĒāϰিāĻŽাāĻŖ āĻ āĻ āĻ্āĻেāϰ āύāĻŽ্āĻŦāϰ।
English Version
1. Answer any three questions :
(a) (i) What are the measures of Central Tendency?
(ii) Determine the Mean and Standard Deviation (SD) of the following distribution :
(iii) If 5 is added to each score, what will be the value of Mean and SD? 3+(2+4)+1
(ii) Determine the Mean and Standard Deviation (SD) of the following distribution :
| Scores | 10-19 | 20-29 | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 |
| f | 2 | 4 | 12 | 10 | 6 | 4 | 2 |
(b) (i) Draw an Ogive of the following distribution :
(ii) Determine the values of P25 and PR of 72 from the Ogive. 5+(2½+2½)
| Scores | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 |
| f | 1 | 2 | 4 | 5 | 8 | 12 | 9 | 5 | 3 | 1 |
(For Visually Challenged Candidates only)
(b) (i) Distinguish between Percentile Point and Percentile Rank.
(ii) Calculate P25 and PR of 72 from the following disffibution :4+3+3
(ii) Calculate P25 and PR of 72 from the following disffibution :4+3+3
| Scores | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 |
| f | 1 | 2 | 4 | 5 | 8 | 12 | 9 | 5 | 3 | 1 |
(c) (i) What is meant by skewness? Discuss the different types of skewness with appropriate diagrams.
(ii) Calculate the skewness of the following distribution :
1+4+5
(ii) Calculate the skewness of the following distribution :
| Scores | 15-17 | 18-20 | 21-23 | 24-26 | 27-29 | 30-32 | 33-35 | 36-38 | 39-41 |
| f | 2 | 1 | 2 | 5 | 9 | 7 | 18 | 3 | 3 |
(d) (i) What is correlation? What are the types of correlation?
(ii) Calculate the Product Moment Coefficient of Correlation of the following scores and comment on the result :
(1+3)+5+1
(ii) Calculate the Product Moment Coefficient of Correlation of the following scores and comment on the result :
| A | B | C | D | E | F | G | H | I | J | K | L | |
| X | 24 | 20 | 18 | 17 | 15 | 12 | 10 | 8 | 6 | 5 | 4 | 2 |
| Y | 13 | 9 | 12 | 20 | 11 | 16 | 5 | 2 | 7 | 6 | 3 | 1 |
2. Answer any five questions :
5 × 5
(a) Mention any five uses of Statistics in Education.
(b) What is Histogram? Draw a Histogram of the following distribution :
1+4
| Scores | 20-29 | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 | 80-89 | 90-99 |
| f | 1 | 5 | 2 | 10 | 9 | 7 | 0 | 6 |
(For Visually Challenged Candidates only)
(b) What do you mean by derived scores? Write the uses of Z-score. 2+3
(c) Explain the characteristics of the Normal curve with appropriate diagram.
(d) What do you mean by measures of variability? Write the properties and uses of Standard Deviation. 1+2+2
(e) A student scored 55 in Mathematics where the Mean of the class = 60 and SD = 10. The student scored 28 in English where the class mean = 26 and SD = 4. Calculate the T scores and compare the students' performance in these two subjects.
(f) Calculate the coefficient of correlation using Rank Difference method.
| A | B | C | D | E | F | G | H | I | J | |
| X | 48 | 33 | 40 | 9 | 16 | 65 | 16 | 24 | 16 | 57 |
| Y | 13 | 13 | 24 | 6 | 15 | 20 | 4 | 9 | 6 | 19 |
3. Answer the following questions :
2 × 10
(a) Identify the type of variable (discrete/continuous) from the following:
(i) Number of days a student attends college.
(ii) Height of students.
(i) Number of days a student attends college.
(ii) Height of students.
(b) Write two uses of frequency distribution.
(c) Calculate the Median and Mode of the following scores:
6, 10, 7, 4, 6, 7, 9, 6
6, 10, 7, 4, 6, 7, 9, 6
(d) The Mean and Median of a distribution are 26.8 and 27.9 respectively. Calculate the Mode. Comment on the shape of the distribution.
(e) If the Midpoint of a class is 42, i = 5, what will be the class boundaries?
(f) Determine the SD of the following scores: 12, 15, 24, 20, 11, 8.
(g) Write any two applications of the Normal Distribution in the field of education.
(h) Determine the type of Kurtosis of two distributions from the values given below:
(i) Ku = 0.375
(ii) Ku = 0.102
(i) Ku = 0.375
(ii) Ku = 0.102
(i) In a distribution Q1 = 25 and Q3 = 45. Determine the Quartile Deviation of the distribution.
(j) Which type of correlation is expected in the following?
(i) Weight and Intelligence
(ii) Amount of practice of sums and marks in Mathematics.
(i) Weight and Intelligence
(ii) Amount of practice of sums and marks in Mathematics.
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