**Selina Concise Class 8 Math Chapter 22 Data Handling Exercise 22A Solution**

Concise Mathematics – Class 8 Selina Exercise 22A Solution by experts | 22A Selina Concise Solution Class 8 | Class 8 Selina Concise Ex 22A Page 248 Solution | RK Bansal Class 8 ICSE Book Solution Online.

__Exercise 22(A)__

__Exercise 22(A)__

**(1) Arrange the following data as an array (in ascending order)**

**(i) 7, 5, 15, 12, 10, 11, 16**

**(ii) 6.3, 5.9, 9.8, 12.3, 5.6, 4.7**

**Solution: **(i) 5, 7, 10, 11, 12, 15, 16

(ii) 4.7, 5.6, 5.9, 6.3, 9.8, 12.3

**(2) Arrange the following data as an array (descending order)**

(i) 2, 0, 3, 4, 1, 2, 3, 5

(ii) 9.1, 3.7, 5.6, 8.3, 11.5, 10.6

**Solution: **(i) 5, 4, 3, 3, 2, 2, 1, 0

(ii) 11.5, 10.6, 9.1, 8.3, 5.6, 3.7

**(3) Construct a frequency table for the following data: **

**(i) 6,7, 5, 6,8, 9, 5, 5, 6, 7, 8, 9, 8, 10, 10, 9, 8, 10, 5, 7, 6, 8**

**(ii) 3, 2, 1, 5, 4, 3, 2, 5, 5, 4, 2, 2, 2, 1, 4, 1, 5, 4**

**(4) Following are the marks obtained by 30 students in an examination.**

Taking class intervals 0 -1, 10-20, ________, 40-50; construct a frequency table.

**(5) Construct the frequency distribution table for the following data, taking class intervals 4-6, 6-8, _____, 14 – 16.**

**Solution:**

**(6) Fill in the blanks:**

(i) Lower class limit of 15 – 18 is ________

Ans. 15

(ii) Upper class limit 24 – 30 is _______

Ans. 30

(iii) Upper limit of 5 – 12.5 is ______

Ans. 12.5

(iv) If the upper and the lower limits of a class interval are 16 and 10, the class interval is _____

Ans. 10 – 16

(v) If the lower and the upper limits of a class interval are 7.5 and 12.5, the class interval is ______

Ans. 7.5 – 12.5

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