AHSEC| CLASS 12| EDUCATION| CHAPTER - 7| EDUCATIONAL STATISTICS | FILL IN THE BLANKS| H.S. 2ND YEAR
EDUCATIONAL STATISTICS
Solved questions for 1 mark each:
(A) Fill in
the blanks:
1. _______ is
the measure of central tendency that occurs most often.
Ans: Mode
2. In a
histogram, the class intervals are marked on the ____ axis.
Ans: Ox
3. In a
histogram, the scores within a given interval are represented by _______ on the
class interval.
Ans: separate rectangle
4. The
interval between the highest and the lowest score is called ______.
Ans: Range
5. ________
is a bar graph with no gaps in between.
Ans: Histogram
6. _______ is
essentially a line graph.
Ans: frequency polygon
7. In assumed
mean method AM is the ______of any class interval. Exam paper - 2014
Ans: Midpoint
8. The three
most commonly used measures of central tendency are the mean, ______ and mode.
Ans: median
9. 3 Mdn-2M =
_______
Ans: Mode
10. Mid value
of the distance between the third and the first quartile is ______. Exam paper - 2016
Ans: Median
11. Range is
the measure of ________.
Ans: variability or dispersion
12. Median is
the score below which we can get _____% of the score.
Ans: 50%
13. The
extent of spread of scores in the neighborhood of the mean is called _______.
Ans: Variability
14. The
difference between the highest score and the lowest score of a frequency
distribution is known as ________.
Ans: Magnitude
15. The score
below which we can find half of the scores is ________.
Ans: median
16. A histogram
is a _______.
Ans: column diagram
17. In polygon
frequencies are plotted on _________.
Exam paper - 2020
Ans: Oy axis
18. The mode
of distribution is the value that has the most ________.
Ans: The mode of the distribution is the value that has the
largest range.
19. In a
histogram, the area of each rectangle is proportional to ______.
Ans: The area of each rectangle in a histogram is proportional
to the number of measures along the interval.
20. In a
histogram, the rectangles of each class are constructed with the base as
______.
Ans: In a histogram, the rectangles of each class are
contracted with the base in the form of frequencies.
21. M =
"fx / ______.
Ans: N
22. Q=Q₁-Q3
/ ______.
Ans: 2
23. In
histogram the class interval is taken with _______.
Ans: X-axis
24. _______
is essentially a line graph.
Ans: frequency polygon
25. The ratio
of height to width of a polygon should be ________%.
Ans: 75%
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