Question
In: Statistics and Probability
University officials hope that changes they have made have improved the retention rate. In 2018, a...
University officials hope that changes they have made have improved the retention rate. In 2018, a sample of 1926 freshman showed that 1400 returned as sophomores. In 2019, a sample of 2011 freshman showed that 1508 returned as sophomores. Determine if there is sufficient evidence at the 0.05 level to say that the retention rate has improved.
Solutions
Expert Solution
1st sample : 2018
2nd sample : 2019
for retention rate to be improved : p1 <= p2
therefore, we can say retention rate has improved
(please UPVOTE)
orchestra answered 2 years agoRelated Solutions
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