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PGDE Regular Entrance 2081 Part 4

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Tribhuvan University

Faculty of Education

2081

Postgraduate Diploma in Education Entrance Test (PDEET)

Level: PGDE

Time: 2 hr

Full Marks: 100

Mark (O)the letter corresponding to the right answer of each question

31. Which statistic is used to measure the variability of a data set? 

a. mean 

b. median 

c. variance 

d. mode

32. If a data set has 10 values, what is the median? 

a. the 5th value   

b. the 6th value 

c. the average of the 5th and 6th values 

d. cannot be determined

33. What is the result of adding all the numbers in a data set and dividing by the total number of values? 

a. mean 

b. median 

c. mode 

d. range

34. What is the median of the data set: 4, 8, 12, 16, 20? 

a. 8 

b. 12   

c. 16   

d. 20

35. What is the mode of the data set: 2, 4, 4, 6, 6, 6, 8, 8? 

a. 2  b. 4   c. 6   d. 8

36. What is the range of the data set: 5, 15, 25, 35, 45? 

a. 20 

b. 30 

c. 40   

d. 50

37. In a normal distribution, where is the median located? 

a. At the peak of the curve 

b. At the beginning of the curve 

c. At the end of the curve 

d. In the middle of the curve

38. What does the standard deviation measure? 

a. The spread of data from the mean 

b. The frequency of a particular value 

c. The difference between the mean and median 

d. The most frequently occurring value

39. If the correlation coefficient is -1, what does it indicate? 

a. A perfect positive correlation 

b. A perfect negative correlation 

c. No correlation 

d. Cannot be determined

40. What is the probability of rolling a 4 on a fair six-sided die? 

a.1/6 

b. 1/4   

c. 1/3 

 d. 1/2 \

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