Slaybre561 Slaybre561

19-10-2022
Mathematics

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two researchers select a sample for a population with a mean of 12.4 and a standard deviation of 9. researcher a selects a sample of 30 participants. researcher b selects a sample of 40 participants. which sample is associated with a smaller standard error?

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1. x/5 + 10 = 40 2. 4x - 36 = -2 i would really appreciate it if you'd help me