HemoCue Interview Questions and Answers

Q1. About datorama explain how it works
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Q2. More about digital marketing
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Q1. Difference between union and union all in SQL?
Ans. 
Union combines and removes duplicates, Union All combines without removing duplicates.
• Union combines result sets and removes duplicates

• Union All combines result sets without removing duplicates

• Union is slower than Union All as it involves removing duplicates

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 FROM table1 UNION ALL SELECT column1 FROM table2;
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Q2. How to show top 5 in pandas?
Ans. 
To show top 5 in pandas, use the nlargest() function.
• Use the nlargest() function with the 'n' parameter set to 5 to get the top 5 values in a pandas DataFrame.

• For example: df['column_name'].nlargest(5) will return the top 5 values in the specified column.
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Q1. If we have 3 numerical columns, which chart is a better representation these column?
Ans. 
A scatter plot is a better representation for 3 numerical columns.
• Use a scatter plot to show the relationship between the numerical columns.

• Scatter plots are effective for visualizing correlations and patterns in data.

• Each point on the plot represents a data point with values from all 3 columns.
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Q1. Ledger details posting profile
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Q2. Fixed Asset project management and accounting
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Q1. How would you identify outliers in a dataset?
Ans. 
Identifying outliers in a dataset involves using statistical methods to detect data points that significantly differ from the rest.
• Calculate the mean and standard deviation of the dataset, then identify data points that fall outside a certain number of standard deviations from the mean.

• Use box plots to visually identify outliers based on their position outside the whiskers of the plot.

• Consider using Z-scores to determi...read more
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Q2. Tell us about yourself
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Basic content assignment

Q1. What was your previous job? what writing skills, excel skills do you have?
Ans. 
I worked as a content writer at XYZ Company.
• Proficient in writing engaging and informative articles

• Skilled in conducting research and gathering information

• Experience in proofreading and editing content

• Familiarity with SEO techniques for optimizing content

• Ability to meet deadlines and work under pressure
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Q2. What skills do you have?
Ans. 
I have a diverse range of skills including communication, problem-solving, and technical proficiency.
• Excellent communication skills, both written and verbal

• Strong problem-solving abilities

• Proficient in various technical skills such as programming languages (e.g. Python, Java), data analysis, and software development

• Ability to work well in a team and collaborate effectively

• Adaptability and willingness to learn new skill
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Q1. How are you edgy over others
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Q2. 5 years from now?
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