Complete the activity to find mean by direct method. Weekly wages (Rupees) Class mark (𝑥𝑖) No. of workers (𝑓𝑖) 𝑥𝑖𝑓𝑖 1000 – 2000 1500 25 37500 2000 – 3000 _____ 45 112500 3000 – 4000 3500 50 ______ 4000 – 5000 4500 30 ______ N = 150 ∑ 𝑓𝑖 𝑥𝑖 =_____ Mean = f i x i f i = 150 =_____

Complete the activity to find mean by direct method. Weekly wages…

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