Question: 1A. What are the null and alternative hypotheses in this example: Scores on a standardized test have a mean of 70. Modifications are made

1A. What are the null and alternative hypotheses in this example: "Scores

1A. What are the null and alternative hypotheses in this example: "Scores on a standardized test have a mean of 70. Modifications are made to the test, and an educator believes that the mean may have changed." B) To determine how big a difference Between Test Statistic and Ho Value below we reject Howe do hypothesis tests. What are the two things of the sample distribution that these hypothesis tests consider for that decision?

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