Ages of the employees of a company are given below. Find the mode.

Ages (in years) 22 23 25 19 21 27

Number of employees 14 19 17 27 12 15

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Solution

Here, the maximum frequency is 27 and it is of the observation 19 years. So, the mode is 19 years.

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Q. The ages of the employees of a company are given below:

Age (in years)	19	21	23	25	27	29	31
Number of persons	13	15	16	18	16	15	13

Find the mean, median and mode for the above data.

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.

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

Q. Marks obtained by 24 students in English and Statistics in a class are given below . Prepare two-way frequency distribution table.

S.No	1	2	3	4	5	6	7	8	9	10	11	12
Marks in English	22	23	23	23	23	24	23	25	22	23	24	24
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S.No	13	14	15	16	17	18	19	20	21	22	23	24
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Q. The following table shows the age distribution of people suffering from asthma due to air pollution.

Age(in years)	7-11	11-15	15-19	19-23	23-27	27-31	31-35	35-39
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Find the mean age of persons suffering from asthma by using the direct method.

Q. The arithmetic mean of the following series is 18, find out the missing frequency.

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Ages of the employees of a company are given below. Find the mode. Ages (in years) 22 23 25 19 21 27 Number of employees 14 19 17 27 12 15

Here, the maximum frequency is 27 and it is of the observation 19 years. So, the mode is 19 years.

Ages of the employees of a company are given below. Find the mode.

Ages (in years) 22 23 25 19 21 27

Number of employees 14 19 17 27 12 15