Question

please answer this question​

Answer 1

Answer:

50/6 =8.34

Step-by-step explanation:

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Answer 2

Answer:

7.3

Step-by-step explanation:

mean=sum of fixi/sum of fi

here fi=no of students

xi=upper limit-lower limit/2

so sum of fixi=730/2=365

and sum of fi=50

therefore mean=365/50=7.3