Make Up Assessment

As a data analyst at Olivia's company, you are tasked with analyzing customer preferences from the sales data. What is the primary purpose of conducting data analysis in this context?

• To store data securely

• To understand trends and make business decisions

• To delete unnecessary records

• To create more data

Zoe, a data analyst, is tasked with analyzing a dataset for her company. Which of the following best defines data analysis?

• The process of creating random data for research purposes

• The method of inspecting, cleaning, and transforming data to discover useful information

• The process of saving data for future use

• Collecting data and storing it in the cloud

A data analyst at a retail company is tasked with determining how to best allocate the marketing budget for an upcoming product launch. What kind of decisions does data analysis typically help a business make?

• Personal decisions

• Informed and strategic decisions

• Legal decisions

• Random decisions

As a data analyst, Charlotte is embarking on a new project and needs to determine what the initial step in the data analysis process should be.

• Data collection

• Data visualization

• Data cleaning

• Data modeling

As a data analyst, what does data cleaning involve when preparing survey data for analysis?

• Changing all data to lowercase

• Correcting or removing inaccurate or incomplete records

• Deleting old data

• Organizing data alphabetically

After Benjamin cleaned the data from his recent survey, what is typically the next step he should take in the data analysis process?

• Data storage

• Data collection

• Data analysis

• Data reporting

A data analyst at Noah's company is tasked with predicting sales for the upcoming quarter based on historical data trends. Which type of data analysis is this an example of?

• Descriptive analysis

• Predictive analysis

• Diagnostic analysis

• Prescriptive analysis

Aiden, a data analyst for an online retail company, is exploring how data analysis can enhance the performance of his business.

• By understanding customer preferences and improving product recommendations

• By reducing operational costs only

• By generating new customer reviews

• By deleting outdated products automatically

A data analyst is tasked with advising a company on the best marketing strategy for a new product launch. What is the key value of using data analysis in decision-making?

• It guarantees 100% accuracy in decisions

• It helps make data-driven, informed decisions

• It simplifies data storage

• It replaces human judgment

As a data analyst, you are tasked with cleaning a dataset that contains customer ages, some of which are recorded as negative values. What would be the best approach to address this issue?

• Replace negative values with zeros

• Remove the records with negative values

• Assume all negative values are errors and replace them with the average age

• Set all negative values to 'Unknown'