CBSE Class 10-Mathematics: Chapter – 14 Statistics Part 5 (For CBSE, ICSE, IAS, NET, NRA 2022)
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Question 16:
If the mode of a data is 45 and mean is 27, then median is
(a)
(b)
(c)
(d) None of these
No. of pairs sold 1 4 3 20 45 25 2
Find mode of the destitution.
(a)
(b)
(c)
(d)
Answer:
(c)
Question 17:
If are the mid-points of the class intervals of grouped data, are the corresponding frequency and is the mean, then is equal to
(a)
(b)
(c)
(d)
Answer:
(a)
Question 18:
Mode of the following data is
| Class Interval | |||||
(a)
(b)
(c)
(d)
Answer:
(d)
Question 19:
Median of the following data is
| Class | |||||
(a)
(b)
(c)
(d)
Answer:
(c)
Question 20:
If the median of the distribution is , find the value of .
| Class | Total | ||||||
(a)
(b)
(c)
(d)
Answer:
(a)
2 Mark Questions
Question 1:
The following data gives the number of boys of a particular age in a class of students. Calculate the mean age of students:
| Age (in years) | ||||||
| 8 |
Answer:
We have
| Age (in years) (x) | No. of students (f) | |