Question

plz answer this by step by step explanation because answer is already there i just need explanation​

Answer 1

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 2

Answer:

please mark me on brilliant answer