Refer to Case Study Chapter 13 Statistics Mathematics, these class 10 maths case study based questions have been designed as per the latest examination guidelines issued for the current academic year by CBSE, NCERT, KVS. Students should go through these solves case studies so that they are able to understand the pattern of questions expected in exams and get good marks.
Chapter 13 Statistics Mathematics Case Study Based Questions
I. 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.
Question. The modal class of the above distribution is
(a) 0-10
(b) 10-20
(c) 20-30
(d) 30-40
Answer
B
Question. The number of literate females whose ages are less than 40 years is
(a) 1450
(b) 2350
(c) 3100
(d) 3700
Answer
C
Question. The upper limit of modal class is
(a) 10
(b) 20
(c) 30
(d) 60
Answer
B
Question. The class marks of class 40-50 is
(a) 70
(b) 90
(c) 10
(d) 45
Answer
D
Question. The number of literate females whose ages are between 20 years and 50 years is
(a) 1350
(b) 1650
(c) 2000
(d) 2250
Answer
D
II. 100 m Race
A stopwatch was used to find the time that it took a group of students to run 100 m.
Question. The construction of cumulative frequency table is useful in determining the
(a) mean
(b) median
(c) mode
(d) All of the above
Answer
B
Question. The sum of lower limits of median class and modal class is
(a) 80
(b) 60
(c) 100
(d) 140
Answer
A
Question. How many students finished the race within 1 minute?
(a) 18
(b) 37
(c) 31
(d) 8
Answer
C
Question. The estimated mean time taken by a student to finish the race is
(a) 54
(b) 63
(c) 50
(d) 43
Answer
D
Question. What will be the upper limit of the modal class?
(a) 20
(b) 40
(c) 60
(d) 80
Answer
C
