13. Scenario 1 continued
Now, you review the data on delivery times and the distance of customers from the restaurant.
To use the template for the dataset, click the link below and select “Use Template.”
Link to template: Delivery Times/Distance
OR
If you don’t have a Google account, download the CSV file directly from the attachment below.
Fill in the blank: The data in column E is an example of _____ data. Select all that apply.
- continuous
- qualitative
- discrete
- quantitative
14. Scenario 1 continued
The next thing you review is the file containing pictures of sandwich deliveries over a period of 30 days. What type of data is this?
- Ordinal
- Unstructured
- Discrete
- Relational
15. Scenario 1 continued
Now that you’re familiar with the data, you want to build trust with the team at Garden.
What actions should you take when working with their data? Select all that apply.
- Keep the data safe by implementing data-security measures, such as password protection and user permissions.
- Share the client’s data with other delivery restaurants to compare performance.
- Post on social media that you’re working with Garden and would like feedback from any of your contacts who have ordered there before.
- Organize the data using effective naming conventions.
16. Scenario 2, questions 6-10
You’ve completed this program and are interviewing for a junior data scientist position at a company called Sewati Financial Services.
Click below to review the job description:
So far, you’ve successfully completed the first interview with a recruiter. They arrange your second interview with the team at Sewati Financial Services.
Click below to read the email from the human resources director:
You arrive 15 minutes early for your interview. Soon, you are escorted into a conference room, where you meet Kai Harvey, the senior manager of strategy. After welcoming you, he begins the behavioral interview.
Consider and respond to the following question. Select all that apply.
Our data analytics team often surveys clients to get their feedback. If you were on the team, how would you ensure the sample is representative of the population as a whole?
- Only include participants who can answer survey questions in a timely manner.
- Make sure the sample is chosen at random.
- Include clients with disabilities in the survey sample.
- Use a randomized sample of the population that includes all genders.
17. Scenario 2 continued
Next, your interviewer wants to better understand your knowledge of basic SQL commands. He asks: How would you write a query that retrieves only data about people who joined our firm in 2019 from the Clients table in our database?
18. Scenario 2 continued
For your final question, your interviewer explains that Sewati Financial Services cares about its clients’ trust, and this is an important responsibility for the data analytics team. They do this by:
protecting clients from unauthorized access to their private data
ensuring freedom from inappropriate use of client data
getting consent to use someone’s data
He asks: Which data analytics practice does this describe?
- Encryption
- Bias
- Data privacy
- Sharing permissions
19. Scenario 1 continued
Next, you review the customer satisfaction survey data. To use the template for the customer satisfaction survey data, click the link below and select “Use Template.”
Link to template: Customer Satisfaction Survey data
OR
If you don’t have a Google account, download the CSV file directly from the attachment below.
The question in column E asks, “Was your order accurate? Please respond yes or no.” What kind of data is this?
- Second-party data
- Ordinal data
- Clean data
- Boolean data
20. Scenario 1 continued
The next thing you review is the file containing pictures of sandwich deliveries over a period of 30 days. This is unstructured data, which means what?
- It’s organized in a certain format.
- It’s not organized in an easily identifiable manner.
- It’s objective and measures facts.
- It’s collected by a group directly from its audience and then sold.
Shuffle Q/A 2
21. Scenario 2 continued
Consider and respond to the following question. Select all that apply.
Our data analytics team often uses external data. Where can you locate useful external data?
- Other financial businesses
- Sewati Financial Solutions marketing department
- Government sources
- A professional finance association
22. Scenario 2 continued
Consider and respond to the following question.
Our analysts often work within the same spreadsheet, but for different purposes. How could filtering help in this situation?
- Filtering enables you to highlight the header row
- Filtering enables you to sort the data in a meaningful order
- Filtering simplifies a spreadsheet by only showing you the information you need
- Filtering encrypts the spreadsheet so only you can access it
