Math, asked by jissyjaison77, 3 months ago

find the mean xi= 10,15,20,25,30
fi =5,10,7,8,2

Answers

Answered by adarshadith05

0

Answer:

xi = 20

fi = 6.4

Step-by-step explanation:

10 + 15 + 20 +25 +30 100

xi = --------------------------------- = ------------------- = 20

5 5

5 + 10 + 7 +8 +2 32

fi = -------------------------- = ------------- = 6.4

5 5

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