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2 years ago

Please help me with this question.

Mathematics

1 answer:

Stels [109]2 years ago

7 0

Step-by-step explanation:

Mean of the origibal set = 20

No. of terms = 10

Sum = Mean x No. of terms

= 20 x 10 = 200

The sum of additional numbers to make the new set of observstion is 4 + 8 + 12...... + 40 = 220

New Sum = 200 + 220 = 420

The no of terms stay the same

New Mean = New Sum/ N

= 420/10

= 42

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2 years ago

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Please help me with this question.​

Please help me with this question.