Advertisement Remove all ads

An Analysis of Monthly Wages Paid to Workers in Two Firms a and B, Belonging to the Same Industry, Gives the Following Results::Which Firm a Or B Pays Larger Amount as Monthly Wages? - Mathematics

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



Mean of monthly wages

Rs 5253

Rs 5253

Variance of the distribution of wages



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

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

Advertisement Remove all ads


(i) Monthly wages of firm A = Rs 5253

Number of wage earners in firm A = 586

∴Total amount paid = Rs 5253 × 586

Monthly wages of firm B = Rs 5253

Number of wage earners in firm B = 648

∴Total amount paid = Rs 5253 × 648

Thus, firm B pays the larger amount as monthly wages as the number of wage earners in firm B are more than the number of wage earners in firm A.

  Is there an error in this question or solution?
Advertisement Remove all ads


NCERT Class 11 Mathematics Textbook
Chapter 15 Statistics
Q 3 | Page 375
Advertisement Remove all ads
Advertisement Remove all ads

View all notifications

      Forgot password?
View in app×