CBSE Class 10-Mathematics: Chapter –14 Statistics Part 5

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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

Mode of the following data

Class Interval

(a)

(b)

(c)

(d)

Answer:

(d)

Question 19:

Median of the following data is

Mode of the following data

Class

(a)

(b)

(c)

(d)

Answer:

(c)

Question 20:

If the median of the distribution is , find the value of .

If the median of the distribution

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:

Calculate the mean age of students

Age(in years)

8

Answer:

We have

Age in Years and Number of Students

Age (in years) (x)

No. of students (f)