Ononot — Consider a dataset where the mean of n1=20 values is \mu1=15

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Central Tendencyhard

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Consider a dataset where the mean of $n_1=20$ values is $\mu_1=15$ and the mean of $n_2=30$ values is $\mu_2=25$ . If $5$ values are moved from the second set to the first, and the mean of these $5$ values is $20$ , what is the new combined mean of the two sets?