Question: a researcher has been experimenting with a new teaching method that she believe we increase standardized tests scores on reading. data for her sample are

a researcher has been experimenting with a new teaching method that she believe we increase standardized tests scores on reading. data for her sample are present below as well as the population value on the standardized test xbar=72, n=1000, u=67 and s=65 . what statistical test should be used to analyze these data? it is a one or two tail test? explain why

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