1. The marks of the following 7 students are as follows 40, 38, 36, 50, 51, 54, 23 The mean of the above will be
(a) 36 (b) 50
(c) 40 (d) 23
Ans: (c)
2. “The point of a group of scores below which half of the group scores and above which half of the group has a score”.
(a) mean (b) polynomial
(c) Median (d) Standard deviation
Ans: (c)
3. One of the methods of graphically displaying the frequency distribution is ………… .
(a) shape (b) columnar
(c) Symbolic figure (d) Holographic shape
Ans: (b)
4. The value representing the entire frequency distribution is called ………..
(a) norm of deviation
(b) value of centroid standard
(c) Correlative representative value
(d) Value of group percentage representative
Ans: (b)
5. Which of the following is not a measure of central tendency?
(a) propagation (b) polynomial
(c) median (d) mean
Ans: (a)
6. In statistics, the diagram, in which frequencies are represented by columns is called,
(a) columnar (b) frequency polygon
(c) cumulative frequency (d) drawing
Ans: (a)
7. The score which appears most often in the group of given scores is called ——–
(a) polymer (b) mean
(c) Median (d) Standard deviation
Ans: (a)
8. ……… is a measure of central tendency.
(a) diffusion area (b) median
(c) Average deviation (d) Standard deviation
Ans: (b)
9. The science, which collects the numerical representation divides, presents, is related to the method of comparing and interpreting,
(a) Statistics (b) Mathematics
(c) geometry (d) probability
Ans: (a)
10. The empirica l relationship among the three measures of central tendencies is: The empirical relationship among the three measures of central tendency is-
(a) 2 Median = Mode + Mean 2 Median • Polymer + Mean
(b) 3 Median = Mode + 2 Mean 3 Median • Polymer + 2 Median
(c) Median = Mode + Mean Median • Polymer + Mean
(d) Median = 2 Mode + 3 Mean Mean • 2 polymeric + 3 mean
Ans: (b)
11. How will you calculate the average marks of the students?
(a) Geometric mean (b) Variance
(c) standard deviation (d) arithmetic average
Ans: (d)