Question

Find the mean of the following data
Xi. 5 8 10 15 18 20
Fi. 2 3 5 4 4 2

Answer 1

Answer:

mean = ∑fixi/∑xi

xi 5 8 10 15. 18 20

fi 2 3 5 4. 4 2

xifi. 10 24 50 60. 72. 40

∑xi = 5+8+10+15+18+20. = 76

∑fixi = 256

mean=256/76

mean=3.36

Answer 2

Step-by-step explanation:

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