Following are the ages of 10 teachers in a school : 32, 41, 28, 54, 35, 26, 23, 33, 38 and 40
(i) The range of their ages is

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Solution

The correct option is C 31
Age of oldest teachers=54 yerars
Age of youngest teachers = 23 years
$∴$ Range = (54-23) years =31 years

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Similar questions

Q. The ages in years of

10

teachers of a school are-

32, 41, 28, 54, 35, 26, 23, 33, 38, 40

What is the age of the oldest teacher and that of the youngest teacher?

Q. The ages in years of 10 teachers of a school are:
34, 43, 31, 56, 37, 28, 25, 35, 40, 42

(i) What is the range of the ages of the teachers?

(ii) What is the mean age of these teachers? [3 MARKS]

The ages (in years) of 10 teachers in a school are
32, 44, 53, 47, 37, 54, 34, 36, 40, 50.
Find the median age.

Q. Ages of

60

teachers in primary schools of a Mandal are given in the following frequency distribution table. Construct the Frequency polygon and frequency curve for the data without using the histogram. (Use separate graph sheets)

Ages	$24 - 28$	$28 - 32$	$32 - 36$	$36 - 40$	$40 - 44$	$44 - 48$
No of teachers	$12$	$10$	$15$	$9$	$8$	$6$

The ages of $20$ husbands and wives are given below. Form a two-way frequency table showing the relationship between the ages of husbands and wives with the class-intervals $20 - 25, 25 - 30$ etc.

$\begin{matrix} S.No & Age of Husband & Age of Wife 1 & 28 & 23 2 & 37 & 30 3 & 42 & 40 4 & 25 & 26 5 & 29 & 25 6 & 47 & 31 7 & 37 & 35 8 & 35 & 25 9 & 23 & 21 10 & 41 & 38 11 & 27 & 24 12 & 39 & 34 13 & 23 & 20 14 & 33 & 31 15 & 36 & 29 16 & 32 & 35 17 & 22 & 23 18 & 29 & 27 19 & 38 & 34 20 & 48 & 47 \end{matrix}$

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Following are the ages of 10 teachers in a school : 32, 41, 28, 54, 35, 26, 23, 33, 38 and 40(i) The range of their ages is

The correct option is C 31Age of oldest teachers=54 yerarsAge of youngest teachers = 23 years ∴ Range = (54-23) years =31 years

Following are the ages of 10 teachers in a school : 32, 41, 28, 54, 35, 26, 23, 33, 38 and 40
(i) The range of their ages is

The correct option is C 31
Age of oldest teachers=54 yerars
Age of youngest teachers = 23 years
$∴$ Range = (54-23) years =31 years