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# The Ages of Ten Students of a Group Are Given Below. the Ages Have Been Recorded in Years and Months: 8 – 6, 9 – 0, 8 – 4, 9 – 3, 7 – 8, 8 – 11,8 – 7, 9 – 2, 7 – 10, 8 – 8 - CBSE Class 9 - Mathematics

ConceptCollection of Data

#### Question

The ages of ten students of a group are given below. The ages have been recorded in years
and months:
8 – 6, 9 – 0, 8 – 4, 9 – 3, 7 – 8, 8 – 11,8 – 7, 9 – 2, 7 – 10, 8 – 8
(i) What is the lowest age?
(ii) What is the highest age?
(iii) Determine the range?

#### Solution

The ages of ten students of a group are given below
8 - 6,9 - 0,8 - 4,9 - 3,7 - 8,8 -11,8 - 7,9 - 2,7 - 10,8 - 8.
(i) Lowest age is 7 years, 8 months
(ii) Highest age is 9 years, 3 months.
(iii) Range = highest age – lowest age
= 9 year, 3 months, 7 year, 8 months
= 1 year, 7 months

Is there an error in this question or solution?

#### APPEARS IN

RD Sharma Solution for Mathematics for Class 9 by R D Sharma (2018-19 Session) (2018 to Current)
Chapter 22: Tabular Representation of Statistical Data
Ex.22.10 | Q: 6 | Page no. 16
Solution The Ages of Ten Students of a Group Are Given Below. the Ages Have Been Recorded in Years and Months: 8 – 6, 9 – 0, 8 – 4, 9 – 3, 7 – 8, 8 – 11,8 – 7, 9 – 2, 7 – 10, 8 – 8 Concept: Collection of Data.
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