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Suppose the distribution of alumni salary has a mean of $64k per year and a standard deviation of $4k. The research office collected salary information

Suppose the distribution of alumni salary has a mean of $64k per year and a standard deviation of $4k. The research office collected salary information from 100 business alumni. Its collected data show that the mean salary of their first job is $62k per year

  1. What is the sample size and standard error of the data collected?

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