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Ball Corporation Data Analyst Interview Questions and Answers
Ball Corporation Data Analyst Interview Experiences
1 interview found
Anonymous
I applied via LinkedIn and was interviewed in Nov 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What is the Data analysis
- Ans.
Data analysis is the process of inspecting, cleaning, transforming, and modeling data to discover useful information and make informed decisions.
Data analysis involves examining data to identify patterns, trends, and relationships.
It includes various techniques such as data cleaning, data transformation, and statistical analysis.
Data analysis helps in making data-driven decisions and solving complex problems.
Examples o...
Interview Preparation Tips
That's it for my side All the best
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Basic Apititude Questions
(2 Questions)
- Q1. Difference between WHERE and HAVING??
- Ans.
WHERE is used to filter rows before grouping, HAVING is used to filter groups after grouping.
WHERE is used with SELECT statement to filter rows based on a condition
HAVING is used with GROUP BY statement to filter groups based on a condition
WHERE is applied before data is grouped, HAVING is applied after data is grouped
Example: SELECT * FROM table WHERE column = 'value'
Example: SELECT column, COUNT(*) FROM table GROUP B
- Q2. Where- Row Level Filters Having-Aggregate Filters
- Ans.
Row level filters are applied before aggregations, while aggregate filters are applied after aggregations.
Row level filters are used to filter individual rows of data before any aggregations are performed.
Aggregate filters are used to filter the aggregated results after the data has been grouped and summarized.
Row level filters are typically applied using WHERE clause in SQL, while aggregate filters are applied using H...
(2 Questions)
- Q1. Why do you wanna join Uber?
- Q2. Best Company Ever
Interview Preparation Tips
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
(2 Questions)
- Q1. About previous experience situation based questions excel problem solving
- Q2. Tell me about yourself difference between data quality and data validity
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
(3 Questions)
- Q1. Projects Worked
- Ans.
I have worked on various projects involving data analysis, visualization, and interpretation.
Developed predictive models using machine learning algorithms
Performed data cleaning and preprocessing to ensure accuracy
Created interactive dashboards for stakeholders to easily understand insights
- Q2. SQL functions used in the projects
- Ans.
Common SQL functions used in projects include COUNT, SUM, AVG, MAX, MIN, and GROUP BY.
COUNT: Used to count the number of rows in a table.
SUM: Used to calculate the sum of a column.
AVG: Used to calculate the average value of a column.
MAX: Used to find the maximum value in a column.
MIN: Used to find the minimum value in a column.
GROUP BY: Used to group rows that have the same values into summary rows.
- Q3. Machine learning alogriths
Skills evaluated in this interview
Selected
I applied via LinkedIn
SQL, Python, like case about window function
(1 Question)
- Q1. All about past project
Galahad Wong
Selected
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
Some coding question about optimization algorthim
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Jul 2023. There were 5 interview rounds.
A test designed to determine a person's ability in a particular skill or field of knowledge
A distance between a group of participants on a given subject.
A job or type of work that you are given to do
A detailed study of a person, group situation,ect overa period of time
Interview Preparation Tips
- Mainframes
I applied via Referral
(2 Questions)
- Q1. Data entry job related question
- Q2. Data development and external hard work l
Data development and external hard work coding test Hr
Interview Preparation Tips
I applied via Job Fair and was interviewed before Dec 2023. There was 1 interview round.
(1 Question)
- Q1. Strenghts/weaknesses
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Jun 2023. There were 3 interview rounds.
It was basic MCQ related to Javascript
(1 Question)
- Q1. Asked basic questions related to array and SQL
(1 Question)
- Q1. Asked question to test the business context
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