Question: The average verbal SAT score at an area high school was 512 last during 2022. The school introduced an SAT prep course in January this
The average verbal SAT score at an area high school was 512 last during 2022. The school introduced an SAT prep course in January this year. A random sample of 48 students taking the SAT exam this spring revealed an average verbal SAT score of 521 where the population standard deviation = 22. Demonstrate whether there is sufficient evidence to support the conclusion the average verbal SAT score increased following the introduction of the prep course versus the scores during 2022 at the .01 level of significance
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