Mathematics TERM II
Statistics
Class 10 Session 2021-2022
Case Study Questions 02
Females’ Literacy: The education of women helps to remove the social stigma that surrounds it. It is the key to eliminating social evils such as female infanticide, dowry, child marriage, harassment, etc. This will not just help the women of today but of the future generations who can live in a world where gender equality exists which ultimately raises the literacy rate.
The following distribution shows the number of literate females in the age group 0 to 60 years of a particular area.
| Age (in years) | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
| No. of literate females | 350 | 1100 | 900 | 750 | 600 | 500 |
1. The class marks of class 40-50 is
(a) 70
(b) 90
(c) 10
(d) 45
(d) 45
2. The number of literate females whose ages are between 20 years and 50 years is
(a) 1350
(b) 1650
(c) 2000
(d) 2250
(d) 2250
3. The modal class of the above distribution is
(a) 0-10
(b) 10-20
(c) 20-30
(d) 30-40
(b) 10-20
4. The number of literate females whose ages are less than 40 years is
(a) 1450
(b) 2350
(c) 3100
(d) 3700
(c) 3100
5. The upper limit of modal class is
(a) 10
(b) 20
(c) 30
(d) 60
(b) 20