Question
the national freshman-to sophomore retention rate has held steady at 74%. A certain college has 490 of the 601 freshman return as sophomores. Does this
the national freshman-to sophomore retention rate has held steady at 74%. A certain college has 490 of the 601 freshman return as sophomores. Does this college have a right to brag that it has an unusually high retention rate?
Choose from the following
Yes, because their retention rate is not more than 3 standard deviations above the expected rate of 74%
No, because their retention rate is over 4 standard deviations above the expected rate of 74%
No because their retention rate is not more than 3 standard deviations above the expected rate of 74%
Yes because their retention rate is over 4 standard deviations above the expected rate of 74%
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