plz answer this by step by step explanation because answer is already there i just need explanation
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plz answer this by step by step explanation because answer is already there i just need explanation
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Answer:
25
Step-by-step explanation:
x-19,21,23,25,27,29,31
f-13, 15,16,18,16,15,13
fx-247,315,368,450,432,435,403
€fx=2650
Mean =€fx/n
=2650/106=25
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Answer:
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