A survey was recently conducted for a store called Pets, Pets, & Pets (PPP). This store has
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A survey was recently conducted for a store called Pets, Pets, & Pets (PPP). This store has a list of 10,000 customers who have made a purchase there in the last year, and a random 400 of these customers participated in the survey. Following are some of the relevant findings. Please perform appropriate differences tests (95% level of confidence) to answer the questions: Do PPP dog owners differ from PPP cat owners with respect to their answers in the following table? If so, how do they differ (what interpretation can you make?)?
Sample Yes | Dog Owner | Cat Owner | |
Do you use PPP quite often? | 44% | 50% | 38% |
Would you recommend PPP to a friend? | 82% | 91% | 75% |
Related Book For
Database Systems Design Implementation and Management
ISBN: 978-1285196145
11th edition
Authors: Carlos Coronel, Steven Morris
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