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Consider distribution of daily wages of 50 workers. Find mean daily

Ex 14.1, 2 - Chapter 14 Class 10 Statistics - Part 2
Ex 14.1, 2 - Chapter 14 Class 10 Statistics - Part 3

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Ex 14.1, 2 Consider the following distribution of daily wages of 50 workers of a factory. Find the mean daily wages of the workers of the factory by using an appropriate method. Mean(π‘₯ Μ…) = a + h Γ— (βˆ‘β–’π’‡π’Šπ’–π’Š)/(βˆ‘β–’π’‡π’Š) Where a = Assumed Mean h = Class interval = 550 = 520 – 500 = 20 Also, βˆ‘β–’π’‡π’Š = 50 βˆ‘β–’π’‡π’Šπ’–π’Š = βˆ’12 Putting values in formula Mean(𝒙 Μ…) = a + h Γ— (βˆ‘β–’π’‡π’Šπ’–π’Š)/(βˆ‘β–’π’‡π’Š) π‘₯ Μ… = 550 + 20 Γ— (βˆ’12)/50 π‘₯ Μ… = 550 – 4.8 𝒙 Μ… = 545.2 Therefore, mean average wage is Rs 545.2

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