Two plants A and B of a factory show following results about the number of workers and the wages paid to them

$\begin{matrix} Plants A & Plant B No. of workers & 5000 & 6000 Average monthly wages & R s .2500 & R s . 2500 Variance of distribution of wages & 81 & 100 \end{matrix}$

In which plant A or B is there greater variability in individual wages ?

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Solution

We observe that the average monthly wages in both firms is same i.e. Rs.2500. Therefore the plant with greater variance will have greater variability. Thus plant B has greater variability in individual wages.

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Two offices P and Q show following results about the number of workers and the wages paid to them.

In which office is there greater variability in individual wages?

An analysis of monthly wages paid to workers in two firms A and B, belonging to the same industry, gives the following results.

Firm A Firm B

No. of wage earners 586 648

Mean of monthly wages Rs 5253 Rs 5253

Variance of the distribution of wages. 100 121

(i) which firm A or B pays larger amount as monthly wages ?

(ii) which firm A or B, shows greater variability in individual wages ?

The following results show the number of workers and the wages paid to them in two factories A and B.

$\begin{matrix} Factory & A & B Number of workers & 4000 & 5000 Mean wages & R s 3500 & R s 3500 Variance of distribution of wages & 64 & 81 \end{matrix}$

Which factory has more variation in wages?

Q. An analysis of monthly wages paid to workers in two firms A and B, belonging to the same industry, gives the following results: Firm A Firm B No. of wage earners 586 648 Mean of monthly wages Rs 5253 Rs 5253 Variance of the distribution of wages 100 121 (i) Which firm A or B pays larger amount as monthly wages? (ii) Which firm, A or B, shows greater variability in individual wages?

Q. An analysis of the weekly wages paid to workers in two firms A and B, belonging to the same industry gives the following results:

	Firm A	Firm B
No. of wage earners	586	648
Average weekly wages	Rs 52.5	Rs. 47.5
Variance of the distribution of wages	100	121

(i) Which firm A or B pays out larger amount as weekly wages?
(ii) Which firm A or B has greater variability in individual wages?

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Two plants A and B of a factory show following results about the number of workers and the wages paid to them Plants APlant BNo. of workers50006000Average monthly wagesRs.2500Rs.2500Variance of distribution of wages81100 In which plant A or B is there greater variability in individual wages ?

We observe that the average monthly wages in both firms is same i.e. Rs.2500. Therefore the plant with greater variance will have greater variability. Thus plant B has greater variability in individual wages.