Suppose you own a coffee shop and are considering whether to…
Suppose you own a coffee shop and are considering whether to feature a peppermint or a spearmint coffee drink for the winter holidays. You would like to survey your 150 regular customers to see what they prefer. You have a database of your regular customers, so you randomly select 50 customers and offer them a free coffee in return for answering the survey. All 50 of your sampled customers respond with their mint preference. Was your sample likely to have been representative of the population of interest?