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A college was interested in whether a new software procedure allowed students to reserve baseball tickets...

A college was interested in whether a new software procedure allowed students to reserve baseball tickets more efficiently than their old system. Over the past several years, the mean time to reserve tickets was 3.1 minutes. The college randomly sampled 27 students who reserved tickets and tracked the time it took these student to get through the new system. The college found that the students had a mean time of 2.9 minutes (SD = 0.3013) to reserve tickets through the system.

What type of statistical test should be conducted to determine whether the new reservation time is significantly different from the old time?

Calculate the statistic for the test you indicated above and determine whether the statistic is significant. Then, write a sentence to explain the result of the statistical test. Use a two sided test with alpha = .05.(Do your best to show your work but don't worry too much about not having *exact* mathematical notation. Do, however, make it clear what your final answer is!)

Dr. d wanted to see how much students learn over the course of a semester. A pre-test was given before the class begins to see what students knew about statistics ahead of time, and the same test was given at the end of the semester to see what students knew at the end.

What type of statistical test would be used to test this hypothesis?

Math   Statistics-And-Probability   
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