Home›MPPSC Mains (Eng)›General Studies III›Part A: Economics›Unit 5: Statistics, Data Analysis and Probability›Mean, Median and Mode- Calculations and Interpretations›Calculate the arithmetic mean of the following data : Weekly wages

Calculate the arithmetic mean of the following data :
Weekly wages (₹): 11-13 | 13-15 | 15-17 | 17-19 | 19-21 | 21-23 | 23-25
Number of Labour: 3 | 4 | 5 | 6 | 5 | 4 | 3

20235M
Model Answer

Calculation of Arithmetic Mean:

Weekly Wages (₹)Mid-Value (x)Frequency / Labour (f)f × x
11 - 1312336
13 - 1514456
15 - 1716580
17 - 19186108
19 - 21205100
21 - 2322488
23 - 2524372
Total-∑f (N) = 30∑fx = 540

Formula: Arithmetic Mean (X̄) = ∑fx / N = 540 / 30 = 18

Final Answer: The arithmetic mean of weekly wages is ₹ 18.

हिंदी में प्रश्न एवं आदर्श उत्तर

निम्न आंकड़ों के समांतर माध्य की गणना कीजिए :
साप्ताहिक मजदूरी (₹): 11-13 | 13-15 | 15-17 | 17-19 | 19-21 | 21-23 | 23-25
मजदूरों की संख्या: 3 | 4 | 5 | 6 | 5 | 4 | 3

समांतर माध्य (Arithmetic Mean) की गणना:

साप्ताहिक मजदूरी (वर्ग)मध्यमान (x)मजदूरों की संख्या (f)f × x
11 - 1312336
13 - 1514456
15 - 1716580
17 - 19186108
19 - 21205100
21 - 2322488
23 - 2524372
योग-∑f (N) = 30∑fx = 540

सूत्र: समांतर माध्य (X̄) = ∑fx / N = 540 / 30 = 18

उत्तर: दी गई साप्ताहिक मजदूरी का समांतर माध्य ₹ 18 है।

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