Question: Can You Tell the Difference? - A Statistics Professor has observed tha several years about 13% of students who initially enroll in his intro to

Can You Tell the Difference? - A Statistics Professor has observed

Can You Tell the Difference? - A Statistics Professor has observed tha several years about 13% of students who initially enroll in his intro to Stat course drop out before the end of the semester. A salesman introduces him to some computer software that may help students understand the material and stay more engaged. However the software is expensive. The salesman gives the professor a 1semester trial period. Type I or Type II? - Suppose the null hypothesis is that the\" rate is 13% and the alternative is pr:13%. - 1. The professor does not buy the software, but in reality it would have decreased the dropout rate. - 2. The professor buys the software, but the dropout rate does not change

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