# You are given below the daily wages paid to the workers in the two factories X and Y:﻿ Daily Wages: 12-14 14-16 16-18 18-20 20-22

By Luna

You are given below the daily wages paid to the workers in the two factories X and Y:﻿ Daily Wages: 12-14 14-16 16-18 18-20 20-22 22-24 24-26﻿ Factory X: 15 30 44 60 40 14 7﻿ Factory Y :25 40 60 35 12 15 5﻿ .Which factory show greater uniformity in their wages structure? ﻿​

### 1 thought on “You are given below the daily wages paid to the workers in the two factories X and Y:﻿ Daily Wages: 12-14 14-16 16-18 18-20 20-22”

Class

(Time in hours) Class Mark

xi Frequency

(Number of students)

fi Class mark × Frequency

xifi

0 – 2 1 7 7

2 – 4 3 18 54

4 – 6 5 12 60

6 – 8 7 10 70

8 – 10 9 3 27

∑fi=50 ∑xifi=218

Mean = ∑xifi∑fi

=21850

= 4.36 hours

Hence, the mean time spent by students for their studies is 4.36 hours.

Step-by-step explanation:

Class

(Time in hours) Class Mark

xi Frequency

(Number of students)

fi Class mark × Frequency

xifi

0 – 2 1 7 7

2 – 4 3 18 54

4 – 6 5 12 60

6 – 8 7 10 70

8 – 10 9 3 27

∑fi=50 ∑xifi=218

Mean = ∑xifi∑fi

=21850

= 4.36 hours

Hence, the mean time spent by students for their studies is 4.36 hours.