21. A restaurant has noticed many popular dishes are running out early in the day. How could a data analyst help identify a solution to this problem? Select all that apply.
22. When working for a restaurant, a data analyst is asked to examine and report on the daily sales data from year to year to help with making more efficient staffing decisions. What is this an example of?
23. Data-driven decision-making is using facts to guide business strategy. The benefits include which of the following? Select all that apply.
- Getting a complete picture of a problem and its causes
- Combining observation with objective data
- Using data analytics to find the best possible solution to a problem
- Making the most of intuition and gut instinct
24. A data analyst is analyzing fruit and vegetable sales at a grocery store. They’re able to find data on everything except red onions. If they exclude red onions from the analysis, this would be an example of creating or reinforcing bias.
25. A hotel is trying to gather data on their guests' satisfaction with their stay. Which of the following options would best help the hotel account for potential bias in their data?
- Surveying guests at random times throughout the year
- Only surveying guests who have booked their stay through a certain third-party website
- Only surveying guests who have stayed at the hotel during peak season
- Only surveying guests who have stayed at the hotel for more than 3 nights
26. A restaurant is struggling to accurately staff for the different daily customer volumes. On some days, there are many servers and few customers. On other days, the restaurant is very busy and there are not enough servers and kitchen staff. What reports could a data analyst use to create more efficient staffing strategies? Select all that apply.
- Reports of past and future reservations
- Reports of past weather patterns in the area of the restaurant
- Reports using historical sales data to predict sales for the current day/date
- Reports of planned local events in the area of the restaurant