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Data Science Test
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1. In PowerBI one can use following to manage the data ?
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2. Confusion Matrix is used for in machine learning models to ...
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3. Which of the following would you use to minimize the impact of outlier ?
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4. Which of these is not an excel file type ?
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5.
x= "KLAYMATRIX"print([::-1])
What is the output of above code ?
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6. While building a machine learning model we split the data into ?
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7. Which of the following would you use to check the performance of a classification machine learning model in python ?
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8. Which chart would you use for correlation ?
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9. What is this chart type ?
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10. While building a machine learning model we split the data into ?
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Excel Test
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1. Which function can be used to look up a value in a table and return a corresponding value from a specified column?
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2. Which feature allows you to quickly fill a range of cells with a series of values based on the content of other cells?
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3. What shortcut key combination is used to copy the selected cells in Excel?
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4. How do you start a formula in Excel?
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5. Which of the following is NOT a valid chart type in Excel?
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6. Which feature in Excel allows you to filter and summarize data from a large dataset?
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7. What does the function =LEN(A1) do in Excel?
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8. Which function would you use to find the average of a range of cells in Excel?
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9. Which feature in Excel allows you to filter and summarize data from a large dataset?
Data Visualization
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1. Which type of chart is best suited for showing parts of a whole in Power BI?
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2. Which visual would you use to display trends over time in Power BI?
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3. Which of the following handles outliers in the best way ?
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4. Which chart would you use for correlation ?
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5. What is this chart type ?
Machine Learning Test
1. What is the purpose of feature scaling in machine learning?
2. Which of the following would you use to minimize the impact of outlier ?
3. While building a machine learning model we split the data into ?
4. KNN is used for which kind of machine learning problems ?
5. Which of the following would you use to check the performance of a classification machine learning model in python ?
6. Machine Learning problems are primarily of 2 types which are ...
7. Which of the following evaluation metrics is appropriate for a binary classification problem?
8. Which of the following handles outliers in the best way ?
9. Confusion Matrix is used for in machine learning models to ...
PowerBI Test
1. What is the purpose of the "Page Navigation" feature in Power BI?
2. What is the purpose of the "Hierarchy" feature in Power BI?
3. What is the purpose of the "Dataflow" feature in Power BI?
4. Which of the following is a cloud-based business analytics service?
5. Which of the following is a data visualization feature in Power BI?
6. How can you apply a theme to a Power BI report?
7. How do you publish a Power BI report to the Power BI Service?
8. How can you add a new data source to an existing Power BI report?
9. How do you create a calculated measure in Power BI?
10. Which of the following is a valid DAX function?
Python Test
1. How do you create a new list with elements of an existing list in uppercase in Python?
2. What is the output of print("Hello, World!".split(',')) in Python?
3. What is the output of print(10 % 3) in Python?
4. What is the output of print(2 + 2 == 4) in Python?
5. How do you add an element to a set in Python?
6. Which method is used to convert a string to lowercase in Python?
7. How do you remove duplicates from a list in Python?
8. How do you create a virtual environment in Python?
9. How do you check the length of a string in Python?
10. What is the output of print(5 > 3 and 2 < 4) in Python?