1. The mean of 10 observations is 15. If one observation 15 is added, then the new mean is __________________.
2. The mean weight of 8 numbers is 15kg. If each number is multiplied by 2. What will be the new mean?
please answer with steps
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1. The mean of 10 observations is 15. If one observation 15 is added, then the new mean is __________________.
2. The mean weight of 8 numbers is 15kg. If each number is multiplied by 2. What will be the new mean?
please answer with steps
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