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標題:

計mean.median.mode

發問:

if each datum of a set increases by 10 and it is then dividedby2,thenewmean,medianandmodeare30.32and31respectively...findtheoriginalmean,medianandmodeofthesetofdata 更新: 可5可以比埋5條式我牙?

最佳解答:

Original Mean = 2(30) - 10 = 50 Original Median = 2(32) - 10 = 54 Original Mode = 2(31) - 10 = 52

其他解答:

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mean = 50 median = 54 mode = 52
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