About this document
Understanding Sampling Distributions by Satyajit Roy is a document available to read on EtoBox.
Anne surveyed 50 iced coffee customers after a marketing promotion to see if customer demographics and spending changed. She found 46% were women and 34% were teenage girls, compared to historical averages of 43% and 21%. The average spending was $4.26 with a standard deviation of $0.84, similar to the historical average of $4.18 and standard deviation.
- Author
- Satyajit Roy
- Language
- EN